ChemicalBook > CAS DataBase List > SILVER BROMIDE

SILVER BROMIDE

Product Name
SILVER BROMIDE
CAS No.
7785-23-1
Chemical Name
SILVER BROMIDE
Synonyms
AgBr;99.90%;bromosilver;SILVER BROMIDE;Silver brohide;SILVER(I) BROMIDE;Silver bromide,99%;Silver bromide 99%;silverbromide(agbr);SILVER BROMIDE: 99.9%
CBNumber
CB5359545
Molecular Formula
AgBr
Formula Weight
187.77
MOL File
7785-23-1.mol
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SILVER BROMIDE Property

Melting point:
432 °C (lit.)
Boiling point:
700 °C
Density 
6.473 g/mL at 25 °C (lit.)
storage temp. 
Room Temperature
solubility 
insoluble in H2O, acid solutions, ethanol
form 
Powder
Specific Gravity
6.473
color 
Pale Yellow
Water Solubility 
soluble in alkali cyanide solutions. Partially soluble in ammonia. Insoluble in alcohol and acids. Practically insoluble in water.
Sensitive 
Light Sensitive
Crystal Structure
Cubic, Sphalerite Structure - Space Group F(-4)3m
Merck 
14,8506
Solubility Product Constant (Ksp)
pKsp: 12.3（25°C）
Dielectric constant
12.2（0.0℃）
Stability:
Stability Darkens in light
InChIKey
ADZWSOLPGZMUMY-UHFFFAOYSA-M
CAS DataBase Reference
7785-23-1(CAS DataBase Reference)
EPA Substance Registry System
Silver bromide (AgBr) (7785-23-1)
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Safety

Hazard Codes 
Xi
Safety Statements 
22-24/25
WGK Germany 
3
F 
8
Hazard Note 
Irritant
TSCA 
Yes
HazardClass 
9
HS Code 
2843290000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P273Avoid release to the environment.

P391Collect spillage. Hazardous to the aquatic environment

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
226815
Product name
Silver bromide
Purity
99%
Packaging
5g
Price
$62.2
Updated
2024/03/01
Alfa Aesar
Product number
011425
Product name
Silver bromide, 99.5%
Packaging
25g
Price
$170
Updated
2024/03/01
Alfa Aesar
Product number
011425
Product name
Silver bromide, 99.5%
Packaging
5g
Price
$38
Updated
2023/06/20
Strem Chemicals
Product number
93-4705
Product name
Silver bromide (99.9%-Ag)
Packaging
10g
Price
$70
Updated
2024/03/01
Strem Chemicals
Product number
93-4705
Product name
Silver bromide (99.9%-Ag)
Packaging
50g
Price
$276
Updated
2024/03/01
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SILVER BROMIDE Chemical Properties,Usage,Production

Chemical Properties

Silver bromide, AgBr, is pale yellow crystals or powder, that darken on exposure to light, finally turning black and soluble in potassium bromide, potassium cyanide, and sodium thiosulfate solutions, only very slightly soluble in ammonia water, insoluble in water, and light sensitive. Derivation is through silver nitrate dissolving in water and a solution ofalkali bromide added slowly. The precipitated silver bromide is washed repeatedly with hotwater. The operation must be carried on in a darkroom under a ruby-red light. Used in photographic film and plates, photochromic glass and as a laboratory reagent.

Physical properties

Yellow cubic crystals or powder; refractive index 2.253; darkens on exposure to light; Mohs hardness 2.5; density 6.47g/cm3; melts at 432°C; vaporizes at 1,502°C; insoluble in water, alcohol, and most acids; slightly soluble in dilute ammonia and ammonium carbonate solutions; sparingly soluble in concentrated ammonia solution (0.33 g/100mL 10% ammonia solution at 12°C);soluble in alkali cyanide solutions.

Uses

In photography.

Uses

A yellowish powder made by the combination of any soluble bromide with silver nitrate. Silver bromide could also be formed by exposing metallic silver to the fumes of bromine as in the daguerreotype process. It is soluble in sodium thiosulfate, potassium bromide, and potassium cyanide solutions. Silver bromides were secondary halides for the paper negative processes, albumen negative process, and wet or preserved collodion processes. Silver bromides were the primary halides for the silver bromide collodion emulsion negative and the silver bromide gelatin emulsion processes. Silver bromide is the most photosensitive silver halide.

Uses

Silver Bromide is used in the spectroscopic study of silver halides in montmorillonite and their antibacterial activity, also used in the antimicrobial compositions for use in wound care products.

Preparation

Silver bromide is prepared by double decomposition reaction. An aqueous solution of alkali bromide, such as sodium or potassium bromide, is slowly added to an aqueous solution of silver nitrate:
Ag+ (aq) + Brˉ (aq) → AgBr(s)
The precipitate is washed repeatedly with hot water. Preparation should be in a dark room under a ruby red light.

Flammability and Explosibility

Non flammable

Purification Methods

It is insoluble in dilute HNO3 or dilute NH3 but is soluble in conc NH3. Store it in the dark.

SILVER BROMIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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SILVER BROMIDE Suppliers

China 119 Europe 2 France 2 Germany 6 India 41 Japan 4 Russia 1 South Africa 1 Switzerland 2 United Kingdom 8 United States 41 Global 227
Triveni chemicals
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Silver Shine Chemicals
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View Lastest Price from SILVER BROMIDE manufacturers

Hebei Weibang Biotechnology Co., Ltd
Product
SILVER BROMIDE 7785-23-1
Price
US $19.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
500000kg
Release date
2024-10-29
Career Henan Chemical Co
Product
Silver bromide 7785-23-1
Price
US $1.00/KG
Min. Order
1KG
Purity
Min98% HPLC
Supply Ability
G/KG/TON
Release date
2020-02-13

7785-23-1, SILVER BROMIDERelated Search:

Barium sulfate SILVER(I) SULFIDE Cupric hydroxide NEODYMIUM(III) BROMIDE HYDRATE Zinc bromide Sodium thiosulfate pentahydrate Sodium bromide Magnesium oxide Ethyl acetate Potassium sulfate Zinc oxide Barium nitrate Iron hydroxide Ferric chloride ETHYLENE Poly(methyl methacrylate) TITANIUM(IV) BROMIDE Magnesium bromide hexahydrate

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