RXSOL CHEMO PHARMA International Navi Mumbai, India

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Stains Indicator Reagents

1-NAPHTHOLPHTHALEIN

pH Indicator pH 7.3 colorless to reddish; 8.7 greenish to blue
Part number
RXSOL-69-5960-100
Brand
RXSOL
1-NAPHTHOLPHTHALEIN

Overview

1-NAPHTHOLPHTHALEIN  excellent quality manufacturer, exporter and supplier. 1-Naphtholphthalein (C28H18O4) is a pH indicator with a visual transition from colorless/reddish to greenish blue at pH 7.3 – 8.7. 
 

Technical specifications

C.A.S. No. 596-01-0,
Physical State : Black Powder
Insoluble in water
M.F. C28H18O4
M.W. 418.45gm/mole

Specifications:

Solubility 0.1 % (95% EtOH) Almost Clear solution
Absorption maximum (in 0.1N NaOH) ?max 650-654nm
Absorptivity 1%/1cm (in 0.1N NaOH) at ?max >650
Loss On Drying (110°C) <3%
Melting Point Range 238-240 °C(lit.)

Applications

As indicator in 0.1% or 0.04% solution in alcohol. pH 7.3 colorless to reddish; 8.7 greenish to blue. Particularly adapted for weak acids in strong alcoholic solution.

Dosage and directions

pH 7.1 - pH 8.3 pink brownish - blue

Storage of liquid indicator : storage temp. Store below +30°C.solubility Solubility Practically insoluble in water; soluble in ethanol 

Characteristics and notes

Molar mass: 418.45 g/mol
Appearance: Colorless-reddish to blue-green solid
Chemical formula: C28H18O4
Solubility in water: Insoluble
 
Solubility in water: InsolubleMolar mass: 418.45 g/mol
Appearance: Colorless-reddish to blue-green solid
Chemical formula: C28H18O4
Solubility in water: Insoluble

Safety and SDS

Read the safety data sheet before handling. Wear suitable gloves and eye protection.

View safety data sheet
Product Name               1-NAPHTHOLPHTHALEIN
Part Number   RXSOL-69-5960-100

Company Details:

RX MARINE INTERNATIONAL
105, A wing , BSEL , TECH PARK.
VASHI ,NEW BOMBAY 400703 INDIA

Branch : Kandla, Mumbai , Chennai, Vizag, Kolkata, UAE , OMAN , CANADA and KENYA  

Phone +91 22 20871200 - 1400
Fax +91 22 27612100 :::AOH :0091 9821214367
Email rxsolchemicals@gmail.com
Website www.rxmraine.com
Chemical  Name                            CAS                    EC number          Weight                           Formula                
1-Naphtholphthalein 596-01-0 209-875-5 <= 100 % C28H18O4
Signal Word  None.
Hazard Statements H225 Highly flammable liquid and vapor. H302 Harmful if swallowed. H304 May be fatal if swallowed and enters airways. H315 Causes skin irritation. H319 Causes serious eye irritation. H331 Toxic if inhaled. H335 May cause respiratory irritation. H350 May cause cancer.
P280 Wear    protective gloves.P305 + P351 + P338 Wear eye protection/ face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Precautionary statements   P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P301 + P310 IF SWALLOWED: Immediately call a POISON CENTER/ doctor. P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P304 + P340 + P311 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/ doctor. P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Classification of the substance or mixture Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Supplemental Hazard      Statements None.
Other hazards  This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
General advice None.
If inhaled  After inhalation: fresh air.
Eye Contact After eye contact: rinse out with plenty of water. Remove contact lenses.
Swallowed After swallowing: make victim drink water (two glasses at most). Consult doctor if feeling unwell.
Skin Contact In case of skin contact: Take off immediately all contaminated clothing. Rinse skin with water/ shower.
Inhalation Remove patient to fresh air, keep warm and at rest and get medical assistance in necessary. 
Ingestion Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.
Most important symptoms and effects, both acute and delaye The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in section 11
Indication of any immediate medical attention and special treatment needed  No data available
Flammability                                                  May be combustible at high temperature.
Flash Point Higher than 93.3°C (200°F).
Suitable extinguishing media Water Foam Carbon dioxide (CO2) Dry powder
Unsuitable extinguishing media For this substance/mixture no limitations of extinguishing agents are given.
Special hazards arising from the substance or mixture  Carbon oxides Combustible. Development of hazardous combustion gases or vapours possible in the event of fire.
Further information Prevent fire extinguishing water from contaminating surface water or the ground water system.
Hazardous combustion
products
Fire may cause the evolution of Sulphur oxides, nitrogen oxides.
Advice for firefighters In the event of fire, wear self-contained breathing apparatus.
Protective Equipment Use personal protective equipment.
Specific Hazards Arising from the Chemical Has a fire-promoting effect due to the release of oxygen.
Ambient fire may liberate hazardous vapours.
Personal precautions, protective equipment and emergency procedures Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert. For personal protection see section 8.
Spillage Oxidizing material. Stop leak if without risk. Avoid contact with a combustible material (wood, paper, oil, clothing...). Keep substance damp using water spray. Do not touch spilled material. Prevent entry into sewers, basements or confined areas dike if needed. Eliminate all ignition sources. Call for assistance on disposal.
Personal Protection Advice for non-emergency personnel: Avoid inhalation of dusts. Evacuate the danger area, observe emergency procedures, consult an expert. Advice for emergency responders: Protective equipment see section 8.
Enviromental Precaution Do not let product enter drains.
Methods and materials for
containment and cleaning
Cover drains. Collect, bind, and pump off spills. Observe possible material restrictions (see sections 7 and 10). Take up dry. Dispose of properly. Clean up affected area. Avoid generation of dusts.
Precautions for safe handling  For precautions see section 2.2.
Advice on protection against fire and explosion Keep away from open flames, hot surfaces and sources of ignition.Take precautionary measures against static discharge.
Incompatible materials  Keep away from alkalis, strong oxidizing agents and metals. Provide containment walls of adequate capacity to hold any accidental spills. 
Hygiene measures General industrial hygiene practice. For precautions see section 2.2.
Storage conditions Tightly closed. Dry. Recommended storage temperature see product label.
Storage class Storage class (TRGS 510): 11: Combustible Solids
Specific end     use(s) Apart from the uses mentioned in section 1.2 no other specific uses are stipulated
Advice on general occupational hygiene Advice on safe handling Observe label precautions. Change contaminated clothing. Wash hands after working with substance.
Requirements for storage  Keep in cool and store under shade. 
Exposure controls  No specific additional engineering controls are required. Provide good natural or artificial ventilation. 
Engineering Control Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne contaminants below the exposure limit.
Eye/face protection Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Safety glasses.
Skin protection This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN374 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de). Full contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested:KCL 741 Dermatril® L This recommendation applies only to the product stated in the safety data sheet, supplied by us and for the designated use. When dissolving in or mixing with other substances and under conditions deviating from those stated in EN374 please contact the supplier of CE-approved gloves (e.g. KCL GmbH, D-36124 Eichenzell, Internet: www.kcl.de). Splash contact Material: Nitrile rubber Minimum layer thickness: 0,11 mm Break through time: 480 min Material tested:KCL 741 Dermatril® .
Body Protection Choose body protection in relation to its type, to the concentration and amount of dangerous substances, and to the specific work-place., The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection Required when dusts are generated. Our recommendations on filtering respiratory protection are based on the following standards: DIN EN 143, DIN 14387 and other accompanying standards relating to the used respiratory protection system. Recommended Filter type: Filter type P1 The entrepeneur has to ensure that maintenance, cleaning and testing of respiratory protective devices are carried out according to the instructions of the producer. These measures have to be properly documented.
Other Protection      Measure Handle in accordance with good industrial hygiene and safety practice.
Control of    environmental exposure Do not let product enter drains.
Thermal hazards No data available
Physical state Solid
Colour Beige
Odour No data available
Odor Threshold Not Applicable
pH No data available
Melting Point 238 - 240 °C
Boiling Point No data available
Flash Point No data available
Evaporation Rate Not Applicable
Flammability (solid, gas) No data available
Explosive limits No Data Available
Upper/lower flammability or explosive limits No data available
Autoignition temperature No data available
Decomposition temperature  No data available
Vapour pressure No data available
Viscosity /kinematic / dynamic No data available
Density No data available
Relative Vapour Density 14,44 - (Air = 1.0)
Freezing point  No data available 
Specific Gravity No data available 
Partition coefficient No data available
Explosive properties No data available 
Solubility No data available
Ignition temperature No information available.
Particle characteristics No data available 
Reactivity                        The following applies in general to flammable organic substances and mixtures: in correspondingly fine distribution, when whirled up a dust explosion potential may generally be assumed.
Stability The product is chemically stable under standard ambient conditions (room temperature) .
Possibility of hazardous reactions No data available
Conditions to avoid No data available
Incompatible materials Strong oxidizing agents
Hazardous Polymerization In the event of fire: see section 5
Acute toxicity  Oral: No data available Inhalation: No data available Dermal: No data available
Skin corrosion/irritation No data available
Serious eye      damage/eye       irritation  No data available
Respiratory or skin    sensitization  Local lymph node assay (LLNA) - Mouse Result: negative (OECD Test Guideline 429)
Toxicity to Animal WARNING: THE LC50 VALUES HEREUNDER ARE ESTIMATED ON THE Acute oral toxicity (LD50): 689 mg/kg [Rat].
Toxic Effects on         Human May cause damage to the following organs: upper respiratory tract. Other Toxic Effects on Humans: Hazardous in case of skin contact (irritant, sensitizer), of ingestion, of inhalation (lung irritant, lung sensitizer).
Carcinogenicity No data available
Germ cell        mutagenicity  Result: Equivocal evidence. Remarks: Histidine reversion (Ames)
Reproductive toxicity  No data available
Specific target organ toxicity - single      exposure May cause respiratory irritation.
Special Remarks on other Toxi  Effects on Humans Acute Potential Health Effects: Skin: Causes skin irritation. May cause skin sensitization, an allergic reation, which becomes evident upon re-exposure to this material. Eyes: Causes eye irritation. Ingestion: Causes gastrointestinal (digestive) tract irritation with nausea, vomiting, and diarrhea. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May cause chemical pneumonitis and pulmonary edema, inflammation, edema of bronchi and larynx. Chronic Potential Health Effects: Repeated or prolonged skin exposure may cause allergic reactions in sensitive individuals. Repeated or prolonged exposure by inhalation may affect respiration and metabolism.
Additional Information To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated.
Persistence and degradability Biodegradability aerobic - Exposure time 20 d Result: > 90 % - Inherently biodegradable. Remarks: (ECHA)
Bioaccumulative potentia Bioaccumulation Lepomis macrochirus - 14 d at 16 °C - 0,957 mg/l(1,2-Dichloroethane) Bioconcentration factor (BCF): 2 
Toxicity to fish  Flow-through test LC50 - Pimephales promelas (fathead minnow) - 136 mg/l - 96 h (OECD Test Guideline 203)
Toxicity to daphnia and other aquatic invertebrates Static test EC50 - Daphnia magna (Water flea) - 160 mg/l - 48 h Remarks: (in soft water) (IUCLID)
Toxicity to algae Static test EC50 - Desmodesmus subspicatus (green algae) - 166 mg/l - 72 h (OECD Test Guideline 201)
Toxicity to bacteria Static test EC50 - activated sludge - 35.500 mg/l - 3 h (OECD Test Guideline 209)
Mobility in soil No Information available
Results of PBT and vPvB assessment This substance/mixture contains no components considered to be either persistent, bioaccumulative and toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Endocrine disrupting       properties The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.
Other adverse effects No data available
Disposal methods The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Contaminated packaging Dispose of as unused product.
Waste treatment      Method See www.retrologistik.com for processes regarding the return of chemicals and containers, or contact us there if you have further questions.
UN number ADR/RID:                IMDG:                    IATA:    
UN proper shipping name  ADR/RID:                IMDG:                      IATA:
Transport hazard class(es)      ADR/RID:                IMDG:                      IATA: 
Packaging group ADR/RID:                 IMDG:                     IATA:      
Environmental hazards ADR/RID: No   IMDG: No       IATA: No
Special precautions for user Tunnel restriction code : (C/E) 
Further information Not classified as dangerous in the meaning of transport regulations.
Transport in bulk according to IMOinstruments No data available
Inventory status Components are on the following inventories: Polymaleic acid: - US TSCA, Canadian DSL, EU EINECS, Australian AICS, Korean, Philippine PICCS and Chinese Xi irritant R 36/38 Irritant to eyes & skin R 41 Risk of serious damage to eyes S24/25 Avoid contact with skin and eyes S26/28 In case of contact eyes & skin, rinse with plenty water and seek medical advice Section 312/313: Not listed. Not listed under California proposition 65. 
Safety, health and environmental regulations/legislation specific for the substance or mixture This material safety data sheet complies with the requirements of Regulation (EC) No. 1907/2006.
National legislation Seveso III: Directive 2012/18/EU of the European Parliament and of the Council on the control of major-accident hazards involving dangerous substances. : ACUTE TOXIC : FLAMMABLE LIQUIDS : ACUTE TOXIC : FLAMMABLE LIQUIDS
Other regulations Observe work restrictions regarding maternity protection in accordance to Dir 92/85/EEC or stricter national regulations where applicable. Take note of Dir 94/33/EC on the protection of young people at work.
Chemical Safety Assessment For this product a chemical safety assessment was not carried out
Other Information

The information above is believed to be accurate and represents the  best information   currently    available  to us.  However,   we   make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and  weassume  no liability resulting from its use. Users should make  their  own  investigations  to determine the suitability of the information for their particular purposes. In no event shall be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if Rx Marine International  has been advised of the possibility of such damages.

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Availability

1-NAPHTHOLPHTHALEIN manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai, Sharjah, UAE, Gulf, Middle East, Muscat Oman, Kenya Africa. Get the best quality of 1-NAPHTHOLPHTHALEIN at a competitive price from us. We have ready stock of 1-NAPHTHOLPHTHALEIN in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.

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