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Calcium chloride dihydrate

Product Name:
Calcium chloride dihydrate
CAS No.
10035-04-8
Chemical Name:
Calcium chloride dihydrate
CBNumber:
CB6218827
Molecular Formula:
CaCl2H4O2
Formula Weight:
147.01
MOL File:
10035-04-8.mol
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Calcium chloride dihydrate Property

Melting point:
30 °C
Density 
1.71 g/mL at 25 °C(lit.)
vapor pressure 
0.01 mm Hg ( 20 °C)
refractive index 
~1.358
storage temp. 
Store at RT.
solubility 
H2O: 1 M at 20 °C, clear, colorless
form 
Solid
color 
White to white-grayish
Specific Gravity
0.835
Odor
Odorless
PH
4.5-8.5 (50g/l, H2O, 20℃)
PH Range
5 - 8
Water Solubility 
1000 g/L (0 ºC)
λmax
λ: 260 nm Amax: 0.015
λ: 280 nm Amax: 0.012
Sensitive 
Hygroscopic
Merck 
14,1659
Stability:
Stable. Hygroscopic. Incompatible with vinylmethyl ether.
InChIKey
LLSDKQJKOVVTOJ-UHFFFAOYSA-L
CAS DataBase Reference
10035-04-8(CAS DataBase Reference)
EPA Substance Registry System
Calcium chloride, dihydrate (10035-04-8)
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Safety

Hazard Codes 
Xi,Xn
Risk Statements 
36-36/37/38-22-20/21/22
Safety Statements 
26-24-22-36
WGK Germany 
1
RTECS 
EV9830000
3
TSCA 
Yes
HS Code 
28272000
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N-Bromosuccinimide Price More Price(51)

Sigma-Aldrich Gold
Product number:
1086436
Product name :
Calcium chloride
Purity:
United States Pharmacopeia (USP) Reference Standard
Packaging:
1g
Price:
$357.7
Updated:
2019/12/02
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Sigma-Aldrich Gold
Product number:
12022
Product name :
Calcium chloride dihydrate
Purity:
puriss., meets analytical specification of Ph. Eur., USP, FCC, E509, 99-103%, ≤0.0001% Al
Packaging:
1kg
Price:
$103
Updated:
2019/12/02
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Alfa Aesar Gold
Product number:
012312
Product name :
Calcium chloride dihydrate, 99% min
Packaging:
2kg
Price:
$115
Updated:
2019/12/02
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Alfa Aesar Gold
Product number:
012312
Product name :
Calcium chloride dihydrate, 99% min
Packaging:
500g
Price:
$60.2
Updated:
2019/12/02
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Buy
Sigma-Aldrich Gold
Product number:
21102
Product name :
Calcium chloride dihydrate
Purity:
tested according to Ph.Eur.
Packaging:
1kg-f
Price:
$66.1
Updated:
2019/12/02
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Calcium chloride dihydrate Chemical Properties,Usage,Production

Description

Calcium chloride dihydrate (CaCl2﹒2H2O) is the hydrate form of calcium chloride. Calcium chloride is an inorganic compound consisting of calcium and chloride. It has various kinds of applications. For example, it can be used as a desiccant due to its high hygroscopicity; used for the deicing and dust control; for road surfacing; as brine for refrigeration plants, ice and cement; increasing the water hardness in the swimming pools; as a food additives; increasing the cell membrane permeability to facilitate the genetic transformation of cells; for the treatment of hypocalcemia in which the body requires a prompt increase in blood plasma calcium levels, For its production, it can be either produced directly from limestone or produced by the Solvary process as the by-product. In addition, it can also be obtained by purification from brine.

Reference

https://en.wikipedia.org/wiki/Calcium_chloride\
https://pubchem.ncbi.nlm.nih.gov/compound/Calcium_dichloride#section=Information-Sources
https://www.drugs.com/pro/calcium-chloride.html

Chemical Properties

colourless crystals or white crystalline powder

Chemical Properties

Calcium chloride is a colorless to off-white crystalline solid which is deliquescent (absorb water). When heated, crystals lose water @ 100C.

Uses

cosmetic ingredient

Uses

Preparation of calcium standard solutions; electrolyte.

Definition

ChEBI: A hydrate that is the dihydrate form of calcium chloride.

brand name

Cal Plus (Mallinckrodt).

Potential Exposure

Calcium chloride is used as road salt for melting snow, a drying agent in desiccators, for dehydrating organic liquids and gases, in refrigeration brines and antifreeze, as a dust-proofing agent, food additives, concrete hardening accelerator, and others. May react with strong oxidizers.

Shipping

There are no label or maximum shipping quantity requirements set by DOT.

Purification Methods

Crystallise it from ethanol. It is hygroscopic. It loses H2O at 200o so it can be dried at high temperatures to dehydrate it. The hexahydrate [7774-34-7] has m 30o and d 1.67.

Incompatibilities

The solution in water is a weak base. Reacts with zinc in presence of moisture, forming highlyflammable hydrogen gas. Dissolves violently in water with generation of much heat. Incompatible with water, bromine trifluoride; 2-furan, percarboxylic acid. May attack some building materials and metals in the presence of moisture.

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Description Reference