Hach-Lange POLYMETRON 9240 Operator Manual - Manual (Page 136)

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Material Safety Data Sheets (MSDS)
13.4 Sodium nitrate
1. IDENTIFICATION OF THE SUBSTANCE
Intended/recommended use: 0.5 M NaNO
3
reactivation solution for 9245 sodium analyzer
Chemical formula: NaNO
3
0.5 M (42.5 g/L) in water
Molecular weight: 85 g/mol
Product name: Sodium Nitrate
2. COMPOSITION / INFORMATION ON INGREDIENTS
Ingredients: Hazardous
NaNO
3
: Hazardous
Water (H
2
O): Not Hazardous
3. HAZARDS IDENTIFICATION
Critical hazards to man:
No danger Avoid: Skin contact: X Ingestion: X Inhalation: Eye contact: X
Critical hazards to environment: none.
4. FIRST AID MEASURES
Immediate professional medical assistance required: yes no X
Symptoms General First Aid procedures
Inhalation: Inhaling mist can cause mucus
membrane irritation. Remove to fresh air.
Skin contact: Mild irritation. Wash exposed area with soap and
water.
Eye contact: Irritation. Wash eyes with plenty of water for at
least 15 minutes, lifting lids occasionally.
Seek Medical Aid.
Ingestion: If swallowed in large amounts, can
disrupt biological process. Induce vomiting immediately as directed
by medical personnel. Never give
anything by mouth to an unconscious
person. Get medical attention.
5. FIRE FIGHTING MEASURES
Fire hazard: None: Flammable: Avoid heat, flame, sparks: X
Fire extinguishing media to be used: Any means suitable for extinguishing surrounding fire. Water spray may be used to keep
fire exposed containers cool.
Special risk: dried NaNO
3
is sensitive to mechanical impact (explosion).
Explosion hazard: dried NaNO
3
decomposes explosively when heated > 538°C.
6. MEASURES IN CASE OF ACCIDENTAL SPILLAGE
Remove all sources of ignition.
7. HANDLING AND STORAGE
Store in a cool dry place and tightly closed. Store away from water reactive material.