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Name	Calcium dihydrogenphoshate	EINECS	231-837-1
CAS No.	7758-23-8	Density	2.22（16/4 °C）
PSA	180.80000	LogP	-0.98080
Solubility	insoluble in water	Melting Point	N/A
Formula	Ca^.(H₂PO₄)₂	Boiling Point	158 °C at 760 mmHg
Molecular Weight	234.05	Flash Point	N/A
Transport Information	N/A	Appearance	white crystalline powder
Safety	26-36/37-37/39	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Acidcalcium phosphate;C 38;C 38 (phosphate);Calcium biphosphate;Calciumbis(dihydrogen phosphate);Calcium bis(orthophosphate);Calcium dihydrogenorthophosphate;Calcium dihydrogen phosphate;Calcium diorthophosphate;Calciumhydrogen phosphate (Ca(H2PO4)2);Calcium hydrogen phosphate (CaH4(PO4)2);Calcium monobasic phosphate;Calcium orthophosphate monobasic;Calcium phosphate(1:2);Calcium phosphate (Ca(H2PO4)2);Calcium phosphate (CaH4(PO4)2);Calciumphosphate monobasic;Calcium phosphate, primary;Calcium primary phosphate;Calcium superphosphate;Calcium tetrahydrogen orthophosphate;Calciumtetrahydrogen phosphate;HT Monocalcium Phosphate;Monobasic calcium phosphate;Monocalcium dihydrogen phosphate;Monocalcium orthophosphate;Monocalciumphosphate;Monocalcium phosphate (Ca(H2PO4)2);Monocalcium phosphate[CaH4(PO4)2];V 90;MDCP-Mono Dicalcium Phosphate;Calcium phosphate,monobasic;

Calcium dihydrogenphoshate Chemical Properties

IUPAC Name: Calcium dihydrogen phosphate
Molecular Formula: Ca(H₂PO₄)₂
Molecular Weight: 234.0525 g/mol
EINECS: 231-837-1
Density : 2.22 (16/4 °C)
Water Solubility: Insoluble
Boiling Point: 158 °C at 760 mmHg
Vapour Pressure: 1.41 mmHg at 25 °C
Stability: Stable. Incompatible with strong acids
Appearance: White crystalline powder
Structure of Calcium dihydrogenphoshate (CAS NO.7758-23-8):

Product Category of Calcium dihydrogenphoshate (CAS NO.7758-23-8): Inorganics

Calcium dihydrogenphoshate Production

Calcium dihydrogenphoshate (CAS NO.7758-23-8) is derived by the reaction of Phosphoric acid and Calcium carbonate at 200°C.

Calcium dihydrogenphoshate Toxicity Data With Reference

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
mouse	LD50	oral	15250mg/kg (15250mg/kg)		Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 52(12), Pg. 87, 1987.
rabbit	LD50	skin	> 2gm/kg (2000mg/kg)	SKIN AND APPENDAGES (SKIN): "DERMATITIS, OTHER: AFTER SYSTEMIC EXPOSURE"	National Technical Information Service. Vol. OTS0571950,
rat	LD50	oral	3986mg/kg (3986mg/kg)	SENSE ORGANS AND SPECIAL SENSES: PTOSIS: EYE BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) SKIN AND APPENDAGES (SKIN): HAIR: OTHER	National Technical Information Service. Vol. OTS0571950,

Calcium dihydrogenphoshate Safety Profile

Hazard Codes: Irritant Xi
Risk Statements: 36/37/38
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 2
RTECS: TB8527000

Calcium dihydrogenphoshate Specification

Calcium dihydrogenphoshate , its cas register number is 7758-23-8. It also can be called Calcium superphosphate ; and Acid calcium phosphate . Calcium dihydrogenphoshate (CAS NO.7758-23-8), a major component of phosphate rock such as phosphorite,apatite, and other phosphate minerals, is too insoluble to be an efficient fertilizer. The result is hydrated to turn the calcium sulfate into the dihydrate gypsum and sold as superphosphate of lime. Alternately phosphate rock may be treated with phosphoric acid to produce a purer form of monocalcium phosphate and is sold as triple phosphate.

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