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
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Calcium dihydrogenphoshate(7758-23-8)

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

Product Identification

Product Name
Calcium dihydrogenphoshate
Synonyms
Calcium biphosphate
Calcium dihydrogen orthophosphate
Calcium dihydrogen phosphate
Calcium diorthophosphate
Calcium phosphate monobasic
Calcium superphosphate
CAS
7758-23-8
Formula
CaH4O8P2
Molecular Weight
234.05
EINECS
231-837-1
RTECS
TB8527000
RTECS Class
Drug
Merck
12,1740
Beilstein/Gmelin
45081 (G)

Physical and Chemical Properties

Appearance
Shining triclinic plates, crystalline powder or granules.
Solubility in water
moderately soluble
Density
2.22 g/cm3 (20 C)
Usage
In fertilizers, acidulant in baking powder & wheat flours, in enameling, mineral supplement for foods & feeds.

First Aid Measures

Ingestion
First aid is not normally required. If symptoms develop, seek medical attention.
Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Handling and Storage

Storage
Keep tightly closed in a cool place in a tightly closed container.
Handling
Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed.

Hazards Identification

Inhalation
Respiratory tract irritation and coughing may develop. Aspiration pneumonitis has occurred.
Skin
Dermal irritation or burns may develop.
Eyes
Can cause permanent eye injury. Symptoms include stinging, tearing, redness, and swelling of eyes. Can injure the cornea and cause blindness.
Ingestion
Irritation or burns of the oropharynx, esophagus, or gi tract may occur following ingestion. Nausea, vomiting, abdominal pain, hematemesis, bloody diarrhea, and perforation with severe burns may be noted.

Exposure Controls/Personal Protection

Personal Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
If workplace exposure limit(s) of product or any component is exceeded (see exposure guidelines), a NIOSH/MSHA approved air supplied respirator is advised in absence of proper environmental control. OSHA regulations also permit other NIOSH/MSHA respirators (negative pressure type) under specified conditions (see your industrial hygienist). Engineering or administrative controls should be implemented to reduce exposure.
Exposure Effects
Symptoms of exposure to this material through breathing, swallowing, and/or passage of the material through the skin may include: stomach or intestinal upset (nausea, vomiting, diarrhea) irritation (nose, throat, airways).
Poison Class
-

Fire Fighting Measures

Fire Fighting
Extinguish fire using Use an extinguishing media appropriate for surrounding fire.. No special precautions necessary when fighting fires involving this product.

Accidental Release Measures

Small spills/leaks
Small Spill - Sweep up material for disposal or recovery. Large Spill - Persons not wearing protective equipment should be excluded from area of spill until clean-up has been completed. Shovel material into containers. Thoroughly sweep area of spill to clean up any residual material.

Stability and Reactivity

Stability
Stable.
Incompatibilities
Water
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