4-hydroxybenzoic acid
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Post Date:
Feb 06,2018
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Expiry Date:
Aug 05,2018
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Detailed Description:
Cas No. :99-96-7
Quantity: 1Metric Tons
Specs:Industrial grade/ polymer grade
Price:33 USD Metric Tons
Payment Method: T/T, L/C
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
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CAS Registry Number:
99-96-7
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Synonyms:
;P-OXYBENZOIC ACID;para hydroxy benzoic acid;P-hydroxybenzoic acid;4-hydroxybenzoate;Para-Hydroxybenzoic Acid;
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Molecular Formula:
C7H6O3
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Molecular Weight:
137.1133
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/37/38:;
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Safety Description:
S26:;
S37/39:;
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Company:
Zhejiang Shengxiao Chemicals Co.,Ltd
[ China ]
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Contact:
Lily Deng
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Tel:
86-13515741615
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Fax:
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Email:
459152711@qq.com
Inquiry