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| D.N.S. ( Disodium Salt of 4:4 Dinitro Stilbene 2:2 Disulphonic Acid ) | |||
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Specification Material
Safety Data Sheet (MSDS) |
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| Specification :: | |||
| CAS No. | : 128-42-7 | ||
| 1. Molecular Weight | : 474 (Sodium Salt) | ||
| 2. Chemical Formula | : C14 H8 N2 O10 S2 Na2 | ||
| 3.
Contents, % by mass (M.W. 474), min. |
: 70% Min. | ||
| 4. Matter insoluable in water, % by mass, max | : 0.1 Max. | ||
| 7. Moisture content, % by mass, max | : 20-22% Max. | ||
| Material Safety Data Sheet (MSDS) :: | |||
| A) Product Name | : 4:4
Dinitro Stilbene 2:2 Disulphonic Acid (Disodium Salt) |
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| B) Chemical Characteristics | |||
| 1) CAS number | : 128-42-7 | ||
| 3) Molecular Weight | : 474 | ||
| 4) Empirical Formula | : C14 H8 O10 S2 Na2 | ||
| 5) Chemical Characterisation | |||
| (a) Form | - Yellow Orange Powder | ||
| (b) Vapour Pressure | - Very low | ||
| (c) Melting Point | - >350 deg°C. | ||
| (d) Odur | - None. | ||
| (e)
Relative Density (H2O = 1) |
- 0.8 | ||
| (f) Solubility in Water | - 4% at 18 C. | ||
| (g) Hazardous decomposition products | - Toxic fumes of NO x, SO x possible. | ||
| (h) Custom Traffic No. (ITC Code No.) | - 292230.09 | ||
| C) Protetive measures, Storage Stability & Handling | |||
| 1) Personal Protective Equipment | : Plastic and Rubber apron. | ||
| 2) Respiratory Protection | : Dust Mask. | ||
| 3) Hand Protection |
:
Chemical Gloves.
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| 4) Eye Protection | : Chemical Gloves. | ||
| 5) Other | : Local exhaust . | ||
| 6) Industrial hygiene |
:
Normal hygiene practices
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| 7) Protection against Fire & Explosion |
:
Toxic fumes of NOx & SOx
possible in a fire.
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| 8) Disposal |
:
In authorised land-fill.
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| D) Measures in case of accidents and fires | |||
| 1) After spillage/ leakage and gas leakage | : Sweep or vacuus up into a sealable container. | ||
| 2) Extinguishing media | : Use dry powder, foam, water spray, carbon dioxide. | ||
| 3) To fight fire |
:
Wear breathing apparatus when fighting fire.
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| 4) First-aid | |||
| (a) Skin | : Remove contaminated clothing, wash skin with soap and water. | ||
| (b) Eyes |
:
Wash with water for atleast 15 minutes. Get medical
help.
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| (c) Inhalation |
:
Move to fresh air, rest.
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| (d) Ingestion |
:
If large amounts are ingested, get medical help.
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| E) Information on Toxicity | : No
known toxic effects. LD (Oral, rat) 16000 mg/kg. Dust has very bitter test. |
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