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Home> Encyclopedia >Chloride>Halide ( Except Chloride )>Other Inorganic Salts
Calcium bromide structure
Calcium bromide structure

Calcium bromide

Iupac Name:calcium;dibromide
CAS No.: 7789-41-5
Molecular Weight:199.886
Modify Date.: 2022-11-25 02:14
Introduction: Calcium bromide (CaBr2) is used as a developer for photographic film and paper and as adehydrating agent (drying agent), food preservative, and fire retardant. View more+
1. Names and Identifiers
1.1 Name
Calcium bromide
1.2 Synonyms

CaBr2 Calcium bromide solution CALCIUM (II) BROMIDE Calcium bromide (CaBr2) Calcium dibromide calciumbromide(cabr2) calciumbromideanhydrous

1.3 CAS No.
7789-41-5
1.4 CID
5360316
1.5 EINECS(EC#)
232-164-6
1.6 Molecular Formula
Br2Ca (isomer)
1.7 Inchi
InChI=1S/2BrH.Ca/h2*1H;/q;;+2/p-2
1.8 InChkey
WGEFECGEFUFIQW-UHFFFAOYSA-L
1.9 Canonical Smiles
[Ca+2].[Br-].[Br-]
1.10 Isomers Smiles
[Ca+2].[Br-].[Br-]
2. Properties
2.1 Density
3.353
2.1 Melting point
730 °C
2.1 Boiling point
806℃
2.1 Flash Point
806-812°C
2.1 Precise Quality
197.79900
2.1 PSA
0.00000
2.1 logP
-5.99200
2.1 Appearance
WHITE HYGROSCOPIC POWDER.
2.2 Storage
Hygroscopic. Ambient temperatures.
2.3 Color/Form
White to off-white
2.4 Decomposition
When heated to decomposition it emits toxic fumes of /hydrogen bromides/.
2.5 Odor
Odorless
2.6 PH
The aqueous solution is neutral or only slightly alkaline to litmus.
2.7 Water Solubility
Solubility in water, g/100ml at 30°C: 142
2.8 Stability
hygroscopic
2.9 StorageTemp
Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.
3. Use and Manufacturing
3.1 Usage
Calcium bromide (CaBr2) is used as a developer for photographic film and paper and as adehydrating agent (drying agent), food preservative, and fire retardant.
4. Safety and Handling
4.1 Hazard Codes
Xi
4.1 Risk Statements
R38
4.1 Safety Statements
S22;S24/25
4.1 Hazard Declaration
H318
4.1 RIDADR
NONH for all modes of transport
4.1 Caution Statement
P280-P305 + P351 + P338
4.1 WGK Germany
2
4.1 RTECS
EV9328000
4.1 Safety

Hazard Codes:? Xi
Risk Statements: 38
38:?Irritating to the skin ?
Safety Statements:?22-24/25
22:?Do not breathe dust??
24/25:?Avoid contact with skin and eyes
WGK Germany: 2
RTECS: EV9328000

4.2 Sensitive
Hygroscopic
4.3 Specification

When strongly heated in air, Calcium bromide will produce calcium oxide and bromine.

2 CaBr2 + O2 → 2 CaO + 2 Br2

4.4 Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 740mg/kg (740mg/kg) BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION
Oyo Yakuri. Pharmacometrics. Vol. 16, Pg. 229, 1978.
mouse LD50 subcutaneous 1580mg/kg (1580mg/kg) ? Oyo Yakuri. Pharmacometrics. Vol. 20, Pg. 693, 1980.
rat LD50 intraperitoneal 437mg/kg (437mg/kg) SENSE ORGANS AND SPECIAL SENSES: LACRIMATION: EYE

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)

BEHAVIORAL: ATAXIA
Oyo Yakuri. Pharmacometrics. Vol. 16, Pg. 229, 1978.
rat LD50 oral 4100mg/kg (4100mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: RESPIRATORY DEPRESSION

SKIN AND APPENDAGES (SKIN): HAIR: OTHER
National Technical Information Service. Vol. OTS0539228,

5. MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Serious eye damage, Category 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Danger

Hazard statement(s)

H318 Causes serious eye damage

Precautionary statement(s)
Prevention

P280 Wear protective gloves/protective clothing/eye protection/face protection.

Response

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P310 Immediately call a POISON CENTER/doctor/\u2026

Storage

none

Disposal

none

2.3 Other hazards which do not result in classification

none

7. Other Information
7.0 Usage
Calcium bromide is a dehydrating agent used in photography, food preservatives, wood preservatives, fire retardants and freezing mixtures. It is used as an oxidizer for mercury emissions control. It is widely used for the preparation of drilling fluids, completion fluids and drilling muds formulations. It also finds application in the manufacture of mineral water.
7.1 Usage
CaBr2 is mainly used as a dense aqueous solution for drilling fluid. It is also used in neuroses medication, freezing mixtures, food preservatives, photography and fire retardants.
7.2 Storage features
Dry. Separated from strong oxidants.
8. Computational chemical data
  • Molecular Weight: 199.886g/mol
  • Molecular Formula: Br2Ca
  • Compound Is Canonicalized: True
  • XLogP3-AA: null
  • Exact Mass: 199.79722
  • Monoisotopic Mass: 197.79927
  • Complexity: 0
  • Rotatable Bond Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 2
  • Topological Polar Surface Area: 0
  • Heavy Atom Count: 3
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count: 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Isotope Atom Count: 0
  • Covalently-Bonded Unit Count: 3
  • CACTVS Substructure Key Fingerprint: AAADcQAAAAAAGAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==
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