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Email ：PharmaSources@imsinoexpo.com
Whatsapp ：+86-13621645194
Main Sales Markets: North America,Central/South America,Western Europe,Eastern Europe,Australasia,Asia,Middle East,Africa
Monthly Production Capacity: 1800MT
Contract Manufacturing: CRO,CMO
Packaging Information: 25kg/bag, 500kg/ bag
Delivery Lead Time: 10 days
Sample Provided: yes
Payment Terms: T/T, L/C
p-Hydroxybenzoic Acid
Basic Information
Product number: SX1001
Chemical name: 4-Hydroxybenzoic acid
Molecular formula:C7H6O3
Molecular weight:138.12
CAS No. :99-96-7
EINECS No. :202-804-9
Physical and chemical properties
Molecular weight: 138．13
Density: 1．443g/cm3
Melting point: 213-214℃
Boiling point:336.2°C at 760 mmHg
Flash point:171.3°C
Appearance: white powdery crystal, no odor and taste.
Solubility: Easily soluble in hot water, alcohol, ether, and acetone, slightly soluble in cold water and benzene, insoluble in carbon disulfide.
Detailed Description
Quality standard: Q/SH 005-2014
Item
Index
Polymerization level
Industrial grade
Appearance
White crystalline powder
White crystalline powder
Content (dry basis) %≥
99.6
99.0
Melting point ℃
214-217
212-216
Odor
No odor
No odor
Solubility
Clear and transparent
Clear and transparent
Drying loss %≤
0.20
0.50
Color (Pt-Co)≤
10
40
Ash content % ≤
0.02
0.15
Sulfate (SO42-) % ≤
0.01
0.05
Chloride (Cl-) % ≤
0.005
0.02
Phenol % ≤
0.01
0.10
Salicylic acid % ≤
0.02
0.10
4-hydroxyisophthalic acid ppm ≤
500
/
Methanol-insoluble matters ppm ≤
50
/
Potasium (K+) ppm
5
/
Sodium (Na+) ppm ≤
5
/
Iron (Fe) ppm ≤
5
/
Calcium+Magnesium (Ca2++Mg2+)ppm ≤
10
/
Application
The product can be used as preservative, dye, pharmaceutical and injection intermediate. It is main raw material of liquid crystal polymer and raw material of pesticide intermediate.
Packing
Double-layer plastic woven bag, net weight is 25kg, or PP bag, net weight is 500kg/bag or 1000kg/bag.
*Special requirements can be negotiated.
Ten years of qualification
Audited Supplier
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