SODIUM HYDROXIDE MONOHYDRATE

Synonym:Caustic soda, lye

---

Section 2: Composition and Information on Ingredients
IngredientCAS NumberPercentACGIH (TWA)OSHA (PEL)
Title Compound12179-02-1100%2mg/m32mg/m3

---

Section 3: Hazards Identification
A corrosive alkaline hydroxide. Contact with the human body will result in chemical burns. Possible risk of
Emergency Overview:
irreversible effects.
Primary Routes of Exposure:Ingestion, inhalation, skin and eyes
Eye Contact:Causes severe burns to eyes resulting in redness and watering.
Skin Contact:Prolonged contact with moist skin will cause chemical burns.
Inhalation:Corrosive to the nose, mucous membranes and respiratory tract.
Ingestion:Ingestion may lead to dizziness, abdominal cramps, vomiting, bloody diarrhea, weakness, and convulsions.
Acute Health Affects:Causes severe burns to skin, eyes and respiratory tract.
Chronic Health Affects:No information available on long-term chronic effects
NTP:No
IARC:No
OSHA:No

---

SECTION 4: First Aid Measures
Immediately flush the eyes with copious amounts of water for at least 10-15 minutes. A victim may need
Eye Exposure:
assistance in keeping their eye lids open. Get immediate medical attention.
Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if
Skin Exposure:
irritation persists.
Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty
Inhalation:
in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce
Ingestion:
vomiting only if directed by medical personnel.

---

SECTION 5: Fire Fighting Measures
Flash Point:not applicable
Autoignition Temperature:none
Explosion Limits:none
Extinguishing Medium:None. Material is non-flammable.
Special Fire Fighting Procedures:No special fire-fighting procedures. The material is non-flammable.
Hazardous Combustion andNo hazardous combustion or decomposition products.
Decomposion Products:
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

---

SECTION 6: Accidental Release Measures
Spill and Leak Procedures:Small spills can be mixed with vermiculite or sodium carbonate and swept up.

---

SECTION 7: Handling and Storage
Handling and Storage:No special storage conditions.

---

SECTION 8: Exposure Controls and Personal Protection
Eye Protection:Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection:Wear protective clothing and gloves. Consult with glove manufacturer to determine the proper type of glove.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator
Respirator:
Protection Program to be in compliance with 29 CFR 1910.134.
Ventilation:Material may form a fine dust. If possible, handle the material in an efficient fume hood.
Additional Protection:No additional protection required.

---

SECTION 9: Physical and Chemical Properties
Color and Form:white xtl.
Molecular Weight:40.00 (58.01)
Melting Point:no data
Boiling Point:no data
Vapor Pressure:not applicable
Specific Gravity:no data
Odor:none
Solubility in Water:Very soluble

---

SECTION 10: Stability and Reactivity
Stability:hygroscopic
Hazardous Polymerization:no hazardous polymerization
Conditions to Avoid:none
Incompatibility:Mineral acids, halogenated hydrocarbons, zinc, aluminum, magnesium and nitromethane
Decomposition Products:none

---

SECTION 11: Toxicological Information
RTECS Data:No information available in the RTECS files.
Carcinogenic Effects:no data
Mutagenic Effects:no data
Tetratogenic Effects:no data

---

SECTION 12: Ecological Information
Ecological Information:No information available

---

SECTION 13: Disposal Considerations
Disposal:Dispose of according to local, state and federal regulations.

---

SECTION 14: Transportation
Shipping Name (CFR):Sodium hydroxide, solid
Hazard Class (CFR):8
Additional Hazard Class (CFR):NA
Packaging Group (CFR):II
UN ID Number (CFR):UN# 1823
Shipping Name (IATA):Sodium hydroxide, solid
Hazard Class (IATA):8
Additional Hazard Class (IATA):NA
Packaging Group (IATA):II
UN ID Number (IATA):UN# 1823

---

SECTION 15: Regulatory Information
TSCA:Not listed in the TSCA inventory.
SARA (Title 313):Title compound not listed.
Second Ingredient:none

---

SECTION 16 - ADDITIONAL INFORMATION
N/A