Chemical Name:4-Hydroxybenzoic acid
Trade Name:p-oxybenzoic acid
Molecular Formula:C7H6O3
Molecular Weight:138.12
CAS No.:99-96-7
Properties:white odorless crystalline powder, easily soluble in hot water and alcohols, aethers and acetone,
slightly soluble in cold water and benzene, insoluble in carbon bisulfide; relative density is 1.46
Use: Can be used as antiseptic, intermediate of dyes, pharmaceuticals; as main material of liquid crystal polymers; as material of pesticide intermediate
Specification
Item Specification
Polymer Grade Technical Grade
Appearance white crystal powder white crystal powder
Purity(on dry base) % 99.6 99.0
Melting Point 214-217 212-216
Odor odorless odorless
Solubility Clear and transparent clear and transparent
Loss on Drying % 0.20 0.50
Color(Pt-Co) 10 40
Ash % 0.02 0.15
Sulfate(SO42-) 0.01 0.05
Chloride(Cl-) % 0.005 0.02
Phe% 0.01 0.10
Salicylic Acid % 0.02 0.10
4-Hydroxyisophthalic Acid(HIPA) ppm 500 /
Insolubles in Metha ppm 50 /
Potassium(K+) ppm 5 /
Sodium (Na+) ppm 5 /
Iron (Fe) ppm 5 /
Ca2++Mg2+ppm 5 /
Sodium chlorate
Quality index:
Control project Indicators
Type Type
grade qualified grade
appearance White or yellowish crystals
sodium chlorate(as dry basis), % 99.0 99.0 98.0
moisture, % 0.30 0.50 0.80
water insoluble, % 0.02 0.03 0.03
chloride( CL), % 0.20 0.20 0.30
sulfate(SO4), % 0.10 0.02
chromate(CrO4), % â?¤ 0.01 0.02
ferrum (Fe), % 0.005 0.05
To use:
Used for manufacturing chlorine dioxide (can do tap water treatment), sodium chlorite and other chlorate, perchlorate
Used in herbicide, oxidant, paper making, printing and dyeing, tanning leather, explosive, printing ink manufacturing
Used for match, fireworks, medicine, metallurgical ore treatment and bromine extraction from sea water
Packing:
 25kg plastic woven bag
1000Kg woven bag
Product Name Sodium Benzoate
Specification Food Grade
Appearance White Powder/Granular/Sphere
Certification FDA, GMP, HACCP, ISO, KOSHER, QS, Halal
Purity: 99.5% min
[Molecular formula] C7H5NaO2
[Molecular weight] 144.11
[Use] widely used in food industry as Antiseptic, anti-animalcule and antifreezing agent used in food, medicine, tobacco, plating, printing and dyeing
[Quality index] in accordance with GB1902-2005 standard for edible grade and BP98 and China national codex 2000 for medicinal grade
Package: 25kg net packed in woven bag, or 600kg net packed in ton bag
Container: 17MTS/20'FCL without pallets, 14MTS/20'FCL with pallets
For extruded, 16MTS/20' container
For powder: 17MTS/20' container
For granule: 20MTS/20' container
Item GB1902-94 version BP98 version China pharmacopoeia 2000 version
Content(base on C7H5NaO2 dry basis),% 99.0 99.0-100.5 99.0
Drying loss,% 1.5 2.0 1.5
Dissolve Meet the stipulation Meet the stipulatio
Transparency and color / Meet the stipulation
Alkalinity acidity; Meet the stipulation Meet the stipulation Meet the stipulation
Cchloride (base on Cl) 500PPm 200PPm/
Chloride(base on Cl),/ 300PPm/
Heavy metal(base on Pb) 10PPm 10PPm 10PPm
As(base on As),2PPm/ 5PPm
Sulfate (base on SO4),1000PPm //
Readily oxidizable substance Passed the test/
o-benzene tricarbonic acid Passed the test/
