MSDS of caustic soda

1. MSDS of caustic soda
Prepared by,
Shyam ramoliya – 91600108015
Abhay panseriya – 91600108019
Bhavin parmar – 91600108008
Mohit mansani - 91600108046

2. Physical Properties
• Colour :- white
• Form :- solid
• Appearance :- Pellets
• Odour :- odourless
• Physical state :- solid
• pH :- 12
• Melting point :- 318 °C
• Boiling point :- 1390 °C

3. Storage safety
• Use care in handling/storage.
• Keep containers tightly closed in a dry, cool and well-
ventilated place.
• Keep this material away from food, drink and animal
feed.
• Keep out of the reach of children.
• May attack some plastics, rubber and coatings.
• Keep containers tightly closed.

4. Transportation Safety
• Close the lid or cover of the container so that it is
airtight in order to avoid moisture absorption during
transportation.
• For transportation in drums, use boxcars, but if gondola
cars are used, cover the drums with sheets.
• The driver must be certain to close the manholes or
valves so that the liquid does not leak.
• When caustic soda is transported by ship, refer to the
“Ship Safety Law.”

5. Handling precaution
• Handle and open container with care.
• Do not get this material in your eyes, on your skin, or
on your clothing.
• Wash hands after handling and before eating.
• Avoid breathing dusts from this material.
• Considerable heat is generated when water or acid is
added, therefore when making solutions always add
the caustic to the water or acid with constant
stirring.

6. Health impact & Fire Hazards
• Suitable extinguishing media :- Do not use water.
Use extinguishing agent suitable for type of
surrounding fire.
• Protective equipment for firefighters :- Move
containers from fire area if you can do it without risk.
Wear full protective clothing, including helmet, self-
contained positive pressure or pressure demand
breathing apparatus, protective clothing and face
mask.

7. UN Classification Number & Other
codes
• UN number (solid) :- 1823
• UN number (solution) :- 1824
• CAS# :- 1310-73-2
• Catalog Codes :- SLS3298, SLS1081, SLS1705
SLS2503, SLS3925,
• HSN code :- 2815