Nantong Guangrong Chemical Co., Ltd. has advanced production equipment, mature and stable technology, complete product testing equipment, strict management and excellent products.
Product Name:
Sodium bromide
Cas No.：
7647-15-6
Molecular formula:
NaBr
Molecular weight:
102.89
Physical and chemical properties:
colorless cubic crystal or white particle powder; bitter taste; relative gravity: 3.203; melting point747.0°C; boiling point: 1390°C
Quality indicators:
item
pharmaceutical grade
photography grade
reagent grade 3
industrial grade
content% ≥
99.0
99.0
98.0
98.0
water insoluble reaction
qualified
qualified
qualified?
?
chloride(Cl)% ≤
0.2
0.5
0.5
1.0
sulfate(SO4)% ≤
0.005
0.005
0.005
?
bromate(bro3)% ≤
0.005
0.003
0.003
?
ferrym(Fe)% ≤
0.0002
0.0002
0.0002
0.005
iodide(I)% ≤
0.01
0.01
0.05
?
heavy metal(Pb)% ≤
0.0002
0.0003
0.0005
?
arsenic(As)% ≤
0.0004
?
?
?
loss on drying% ≤
0.5
0.5
0.5
1.0
water insoluble % ≤
qualified Passed
0.005
0.005
?
reference standard
1995-CHINA Pharmacopeia
ANSIPH4 207-1982
GB1277-77
GB1277-77
Use:
for the manufacturing of photographic film, diuretic, sedative and brominating agent
