Nantong Guangrong Chemical Co., Ltd. has advanced production equipment, mature and stable technology, complete product testing equipment, strict management and excellent products.
Product Name:
Potassium bromide
Cas No.：
7758-02-3
Molecular formula:
KBr
Molecular weight:
119
Physical and chemical properties:
white crystal, no smell, bitter taste; relative gravity: 2.75(25/4°C); melting point:734°C; boiling point: 1435°C; soluble in water and glycerol; lightly soluble in alcohol and ether<
Quality indicators:
item
pharmaceutical grade
phtography grade
reagent grade 3
industrial grade
content% ≥
99.0
99.0
98.0
98.0
aqueous solution reaction
qualified passed
qualified passed
qualified passed
?
chloride(Cl)% ≤
0.2
0.5
0.5
1.0
sulfate(SO4)% ≤
0.005
0.005
0.005
?
Ferrym(Fe)% ≤
0.0002
0.0002
0.0002
0.005
bromate(Bro3)% ≤
0.005
0.003
0.003
?
iodide(I)% ≤
qualified passed
0.01
0.01
?
heavy metal(Pb)% ≤
0.0002
0.0001
0.0005
?
arsenic(As) ≤
0.0005
?
?
?
loss on drying% ≤ Loss on
0.5
0.5
0.5
1.0
water insoluble% ≤
qualified
0.01
0.01
?
reference standard
1995-CHINA Pharmacopeia
ZBG85001-88
GB1277-77
GB1277-77
Use:
industrial grade: carving, stone printing; pharmaceutical grade: sedative; phtography grade: photographic film
Packing：
compound bag, fiber can Φ30×37(cm), inner double layer plastic bag, 25 kg
Storage and transportation:
it should be stored in ventilated and dry place to avoid moisture and light
