Buffer Cleaner
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CAS No.: 61-73-4
Formula: C16H18ClN3S
Molcular weight: 319.9 g/mol

| Physical State | Liquid |
| Appearance | yellow |
| Odor | odorless |
| pH | 8.6-9.8 (5% soln) |
| Vapor Pressure | 0 |
| Vapor Density | Not applicable |
| Evaporation Rate | Not applicable |
| Viscosity | Not applicable |
| Boiling Point | Not available |
| Freezing/Melting Point | 975 deg C |
| Autoignition Temperature | None reported |
| Flash Point | Not available |
| Decomposition Temperature | Not available |
| NFPA Rating |
(estimated) Health: 2; Flammability: 0; Reactivity: 0 |
| Explosion Limits, Lower | None reported |
| Upper | None reported |
| Solubility | Soluble |
| Specific Gravity/Density | 2.7320 |
| Molecular Formula | K2CrO4 |
| Molecular Weight | 194.20 |






SPECIFICATION
SODIUM HYDROXIDE PELLETS (Lab GRADE)
CAUSTIC SODA PELLETS
CAS NO: 1310-73-2
NaOH: MW: 40.00
| TEST | SPECIFICATION |
| Description | White, hygroscopic pellets |
| Identify |
Na: Passes test OH: Passes test |
| Test solution (10% w/v; water) | The solution is clear and colourless |
| Solubility | Soluble in 1 to 10 parts of water and in alcohol |
| Assay (NaOH) | NLT 97.0 % |
| Carbonate (as Na2CO3) | NMT 2 % |
| Chloride (CI) | NMT 125 ppm |
| Sulfate (SO4) | NMT 75 ppm |
| Arsenic (As) | NMT 4 ppm |
| Iron (Fe) | NMT 20 ppm |
| Potassium (K) | Passes Test |
Sodium Hydroxide is Extremely corrosive product. Potential symptoms of over-exposure are irritation of eyes, skin and mucous membranes, pneumonitis, eye and skin burns, temporary lose of hair etc.

Product Specification:
|
Product Number: |
319546 |
|
CAS Number: |
1313-82-2 |
|
MDL: |
MFCD00003499 |
|
Formula: |
Na2O3S2 |
|
Formula Weight: |
158.11 g/mol |
| TEST | Specification |
|
Appearance (Clarity) |
Clear |
|
Appearance (Color) |
Colorless |
|
Appearance (Form) |
Liquid |
|
Purity Titration by NATH (N) Sample as Titrant |
0.0950 - 0.1050 Normal |
|
NIST (SRM #136E) |
Confirmed |
|
Traceable to NIST SRM #136E (Potassium dichromate) Expiration Date Period 3 Years |
|
Specification: PRD.0.ZQ5.10000012014
