Overview
Thiourea are organic compounds having a carbon atom bonded to two amine groups. The key difference between urea and thiourea is that urea does not contain sulfur atoms, whereas thiourea contains sulfur atoms.
Technical specifications
Thiourea, also chemically named as Thiocarbamide, is a nitrogen and sulfur containing compound. It has three functional. groups, amino, imino and thiol, each with important biological roles.
Applications
Thiourea is used as an auxiliary agent in diazo paper, light-sensitive photocopy paper and almost all other types of copy paper. It is also used to tone silver-gelatin photographic prints.
Thiourea PRACT is a white crystalline solid, both naturally occurring and synthetic, that is soluble in water, ammonium thiocyanate solution and ethanol. In the past, it was used as a photographic toning agent, a component of hair preparations and a dry cleaning agent.
Dosage and directions
Thiourea, also called thiocarbamide, an organic compound that resembles urea (q.v.) but contains sulfur instead of oxygen; i.e., the molecular formula is CS(NH2)2, while that of urea is CO(NH2)2.
In thiourea, a double bond is present between the carbon and sulfur atom. So, it is an unsaturated compound. Hence, thiourea is an unsaturated compound.
Characteristics and notes
Thiourea is used as an auxiliary agent in diazo paper, light-sensitive photocopy paper and almost all other types of copy paper. It is also used to tone silver-gelatin photographic prints.
Dissolve 500 mg 6-chloro-A in 5ml ethanol, add 1.5 equivalents of thiourea and reflux for 1 hour. After the reaction cools down i remove the filtrate and concentrate the flow-though.
Safety and SDS
Read the safety data sheet before handling. Wear suitable gloves and eye protection.
View safety data sheet
| Product Name | :Thiourea |
| Part Number | :RXSOL-19-1419-025 |
Company Details:
RX MARINE INTERNATIONAL
105, A wing , BSEL , TECH PARK.
VASHI ,NEW BOMBAY 400703 INDIA
Branch : Kandla, Chennai, MUMBAI, Vizag, Kolkata, FUJAIRAH UAE, MUSCAT Oman
| Phone | +91 22 27815540 / 41 / 42 |
| Fax | +91 22 2781 1318 :::AOH :0091 9821214367 |
| rxsolchemicals@gmail.com | |
| Website | www.rxmarine.com |
| Name of Substance | Cas Number | EINECS No | Molecular weight | Weight % |
| Thiourea | 62-56-6 | 200-543-5 | 76,12 g/mol | 100% |
| Signal Word | Warning |
| Hazard Statements |
H302 Harmful if swallowed.
H351 Suspected of causing cancer. |
| Precautionary statement(s) |
P201 Obtain special instructions before use.P273 Avoid release to the environment. |
| 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. |
| Classification of the substance or mixture |
Classification according to Regulation (EC) No 1272/2008 Acute toxicity, Oral (Category 4), H302 Carcinogenicity (Category 2), H351 Reproductive toxicity (Category 2), H361d Chronic aquatic toxicity (Category 2), H411 For the full text of the H-Statements mentioned in this Section, see Section 16. |
| Classification according to EU Directives 67/548/EEC or 1999/45/EC |
Xn Harmful R40 R63 R22 N Dangerous for the R51/53 environment For the full text of the R-phrases mentioned in this Section, see Section 16 |
| General advice | Consult a physician. Show this safety data sheet to the doctor in attendance |
| If inhaled | If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician |
| In case of skin contact | Wash off with soap and plenty of water. Consult a physician. |
| In case of eye contact | Flush eyes with water as a precaution. |
| If swallowed | Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician |
| Most important symptoms and effects, both acute and delayed | 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 |
| Suitable extinguishing media | Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide. |
| Special hazards arising from the substance or mixture | Carbon oxides, Nitrogen oxides (NOx), Sulphur oxides |
| Advice for firefighters | Wear self-contained breathing apparatus for firefighting if necessary. |
| Further information | No data available |
| Personal precautions, protective equipment and emergency procedures |
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8. |
| Enviromental Precaution | Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. |
|
Methods and materials for containment and cleaning up |
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed containers for disposal. |
| Reference to other sections | For disposal see section 13. |
| Precautions for safe handling | Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2. |
| Conditions for safe storage, including any incompatibilities | Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Handle and store under inert gas. Storage class (TRGS 510): Non Combustible Solids |
| Specific end use(s) | Apart from the uses mentioned in section 1.2 no other specific uses are stipulated |
| Appropriate engineering controlsl | Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday. |
| Personal protective equipment |
Eye/face protection : Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU). Skin protection : Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique (without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. Body Protection :Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Respiratory protection : Where risk assessment shows air-purifying respirators are appropriate use a full-face particle respirator type N100 (US) or type P3 (EN 143) respirator cartridges as a backup to engineering controls. If the respirator is the sole means of protection, use a full-face supplied air respirator. Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU). Control of environmental exposure : Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. |
| Form | Crystalline |
| Colour | white |
| Odour | odourless |
| Odour Threshold | No Data Available |
| Melting point/freezing point | Melting point/range: 170 - 176 °C |
| Flash Point | No data available |
| Freezing Point | No Data Available |
| pH | 5,0 - 7 at 50 g/l at 20 °C |
| Evaporation rate | No data available |
| Flammability (solid, gas) | No data available |
| Upper explosion limit | No data available |
| Lower explosion limit | No data available |
| Explosive properties | No data available |
| Vapor pressure | No data available |
| Relative vapor density | No data available |
| Relative density | 1,405 g/cm3 at 20 °C |
| Water solubility | 137 g/l at 20 °C |
| Partition coefficient: octanol/water | log Pow: -0,92 at 20 °C |
| Autoignition temperature | No data available |
| decomposition temperature | No data available |
| Viscosity, kinematic | No data available |
| Explosive properties | No data available |
| Oxidizing properties | No data available |
| Bulk density | 640 kg/m3 |
| Recativity | No data available |
| chemical Stability | Stable under recommended storage conditions |
| Possibility of hazardous reactions | No data available |
| Incompatible materials | Strong oxidizing agents, Strong acids, Strong bases, Hydrogen peroxide, Sulphur oxides |
| Hazardous Decomposition |
Other decomposition products - No data available In the event of fire: see section 5 |
| Condition to Avoid | Heat |
| Acute toxicity |
LD50 Oral - Rat - 1.750 mg/kg LC50 Inhalation - Rat - 4 h - > 170 mg/m3 LD50 Dermal - Rabbit - > 2.800 mg/kg |
| Skin corrosion/irritation |
Skin - Rabbit Result: No skin irritation (OECD Test Guideline 404) |
| Serious eye damage/eye irritation |
Eyes - Rabbit Result: Mild eye irritation (OECD Test Guideline 405) |
| Respiratory or skin sensitisation | Maximisation Test (GPMT) - Guinea pig Does not cause skin sensitisation. |
| Germ cell mutagenicity |
No data available in vitro assay Result: Not mutagenic in Ames Test |
| Carcinogenicity | This product is or contains a component that has been reported to be probably carcinogenic based on its IARC, OSHA, ACGIH, NTP, or EPA classification. Limited evidence of carcinogenicity in animal studies IARC: 3 - Group 3: Not classifiable as to its carcinogenicity to humans (Thiourea) |
| Reproductive toxicity | Suspected human reproductive toxicant |
| Specific target organ toxicity - single exposure | No data available |
| Aspiration hazard | No data available |
| Additional Information |
RTECS: YU2800000 To the best of our knowledge, the chemical, physical, and toxicological properties have not been thoroughly investigated. Liver - Irregularities - Based on Human Evidence |
| Toxicity |
Toxicity to fish : LC50 - Danio rerio (zebra fish) - 10,000 mg/l - 96,0 h |
| Persistence and degradability |
Biodegradability Biotic/Aerobic - Exposure time 31 d Result: < 1 % - Not readily biodegradable. |
| Bioaccumulative potential | No data available |
| Mobility in soil | No data 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. |
| Persistence and degradability | No data available |
| Other adverse effects | Toxic to aquatic life with long lasting effects. |
| Waste treatment methods |
Product Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. |
| Contaminated packaging | Dispose of as unused product. |
Hazard Pictograms:
| UN Number | ADR/RID: 3077 IMDG: 3077 IATA: 3077 |
| Proper shipping name |
ADR/RID : ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Thiourea) IMDG :ENVIRONMENTALLY HAZARDOUS SUBSTANCE, SOLID, N.O.S. (Thiourea) |
| Transport hazard class(es) | |
| ADR/RID | 9 |
| IMDG | 9 |
| IATA /IMDG/IATA | 9 |
| Packing group | |
| ARD/RID | III |
| IMDG | III |
| IATA | III |
| Environmental hazards | |
| ADR/RID | YES |
| Marine pollutant | YES |
| IATA | YES |
| Further information | EHS-Mark required (ADR 2.2.9.1.10, IMDG code 2.10.3) for single packagings and combination packagings containing inner packagings with Dangerous Goods > 5L for liquids or > 5kg for solids |
| Regulations | This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006. |
| Chemical safety assessment | For this product a chemical safety assessment was not carried out |
| Safety, health and environmental regulations/legislation specific for the substance or mixture | No data available |
| 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 we assume 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. DISCLAIMER OF LIABILITY :The information in this SDS was obtained from sources which we believe are reliable. However, the information is provided without any warranty, express or implied, regarding its correctness. The conditions or methods of handling, storage, use or disposal of the product are beyond our control and may be beyond our knowledge. For this and other reasons, we do not assume responsibility and expressly disclaim liability for loss, damage or expense arising out of or in any way connected with the handling, storage, use or disposal of the product. This MSDS was prepared and is to be used only for this product. If the product is used as a component in another product, this MSDS information may not be applicable |
Availability
Thiourea manufacturer supplier distributor in Mumbai, Kandla, Kolkata, Vizag, Chennai, India, Fujairah, Dubai UAE, Muscat Oman, Kenya Africa. Get the best quality of Thiourea at a competitive price from us. We have ready stock of Thiourea in India, UAE Gulf, Oman, Kenya Africa. Contact us for bulk as well as small orders.
