Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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Disodium phosphate dodecahydrate(10039-32-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
Disodium phosphate dodecahydrate
Synonyms
Disodium hydrogen orthophosphate dodecahydrate
Disodium orthophosphate dodecahydrate
Disodium phosphate dodecahydrate
Phosphoric acid disodium dodecahydrate
Phosphoric acid, disodium salt, dodecahydrate
CAS
10039-32-4
Formula
H25Na2O16P
Molecular Weight
358.14
EINECS
231-448-7
RTECS
TC5725000
RTECS Class
Other
Beilstein/Gmelin
86759 (G)

Physical and Chemical Properties

Appearance
Colorless crystals
Solubility in water
115 g/L (12 C(
Melting Point
35
Density
1.52 g/cm3 (17 C)
Heat Of Vaporization
Usage
An anti-caking additive in powdered products.
Vapor Density
N/R
Refractive Index
1.429

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation
Remove from exposure to fresh air immediately. Get medical aid if cough or other symptoms appear.
Skin
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Avoid contact with skin and eyes. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
May cause irritation of the digestive tract. Expected to be a low ingestion hazard.
Inhalation
May cause respiratory tract irritation. Low hazard for usual industrial handling.
Skin
Causes skin irritation.
Eyes
Causes eye irritation.

Exposure Controls/Personal Protection

Personal Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Poison Class
5 (Substances and products with a low hazard& potential)

Fire Fighting Measures

Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Substance is noncombustible. Extinguishing media: Use extinguishing media most appropriate for the surrounding fire.

Accidental Release Measures

Small spills/leaks
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong acids
Decomposition
Oxides of phosphorus, sodium oxide.

Transport Information

HS Code
2835 22 00
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