二磷酸二CAS7789-77-7

Name: DICALCIUMPHOSPHATEDIHYDRATE
CAS:7789-77-7
Molecular formula: CaH7O5P
Molecular weight: 158.1
EINECS:616-542-1

Synonyms: Calciumhydrogenphosphate,dih; Calciumhydrogenphosphate,medicinal; Phosphoricacid,calciumsalt(1:1),dihydrate; Calciumhydrogenphosphate,agricultural

What is Dicalcium Phosphate Dihydrate ？

White monoclinic crystalline powder. Odorless and tasteless. Soluble in dilute hydrochloric acid, dilute nitric acid, acetic acid, slightly soluble in water, insoluble in ethanol.

描述

项目	标准	结果，
CaO%	31.4~32.9	32.5
白度 (Wg)	≥93	93.5
Particle size:through 45um %	≥99.0	99.3
Water Absorbition（mlH2O/20g）	5.0~6.5	5.7
显而易见的密度（g/mL）	0.80~1.00	0.91
氟化物作为 F %	≤0.005	<0.002
氯化作为 Cl %	≤0.01	<0.01
损失 on ignition %	25.0~26.5	25.86
PH（20% 解决方案）	6.8~8.1	7.3
稳定	Passes test	Passes test
碳酸	Passes test	Passes test
Sulfides	Passes test	Passes test
铁（Fe）%	≤0.01	<0.005
Matter 不溶 in Acid %	≤0.2	0.04
氟化物稳定	Passes test	Passes test
损失 on drying(60℃)%	≤0.6	0.2
P2O5%	40.7~42.5	41.5
硫酸盐 as SO4%	≤0.5	<0.05
重金属作为 Pb %	≤0.002	<0.001
砷 as As %	≤0.0003	<0.0001
总 aerobic 计（CFU/g）	≤200	<10
大肠杆菌 /g	Negative to test	Negative to test
葡萄球菌 aureus /g	Negative to test	Negative to test
Pseudomonas aeruginosa /g	Negative to test	Negative to test
Yeast & 模具（CFU/g）	≤200	<10

应用

1. Dicalcium Phosphate Dihydrate is used as feed and food additives, gypsum friction agents, plastic stabilizers and pharmaceutical additives, etc.
2. Dicalcium Phosphate Dihydrate is mainly used as fertilizer and can be used in acidic, slightly acidic or neutral soil, and is suitable for various crops. Also used as plastic stabilizer.
3.Dicalcium Phosphate Dihydrate is mainly used as a friction agent in the manufacture of high-grade toothpaste. It accounts for 40% to 50% of the toothpaste formula.
4. Dicalcium Phosphate Dihydrate is used as an auxiliary feed for poultry. It can promote the digestion of feed and increase the weight of poultry to increase meat production, milk production and egg production. It can also treat rickets, rickets, anemia, etc. in livestock. .
5.Dicalcium Phosphate Dihydrate is used as analytical reagent and plastic fixative
6.Dicalcium Phosphate Dihydrate acts as tablet diluent and absorbent.
7. Dicalcium Phosphate Dihydrate is used as a loosening agent in biscuits and milk substitutes in the food industry. The usage amount is based on normal production needs. It is also used as a yeast culture agent in bread making. Also used as dough improver and nutritional supplement.