Factory direct supply 4-Hydroxybenzoic acid Raw Powder with 100% safe shipping
Quick details of 4-Hydroxybenzoic acid Powder
Product Name: 4-Hydroxybenzoic acid
Synonym: 4-hydroxy-benzoicaci;acidop-idrossibenzoico;Benzoic acid, p-hydroxy-;benzoicacid,4-hydroxy;Benzoicacid,4-hydroxy-;Hydroxybenzoic acid, para;Kyselina 4-hydroxybenzoova;kyselina4-hydroxybenzoova
CAS Number: 99-96-7
appearance: White to ivory Crystalline Powder
Molecular formula: C7H6O3
Molecular weight: 138.12
EINECS.No:202-804-9
melting point: 213-217 °C (lit.)
boiling point: 213.5°C
density: 1,46 g/cm³
fema: 3986 | 4-HYDROXYBENZOIC ACID
refractive index: 1.4600
flash point: 199 °C
storage condition: Store below +30°C.
solubility: methanol: soluble5%, clear to slightly hazy, colorless to faintly yellow
Acidity factor(Pka): 4.48(at 19℃)
PH Value: 3.3 (1g/l, H2O, 20℃)
water solubility: 5 g/L (20 ºC)
Auto-ignition temperature: >250 °C
toxicity: LD50 orally in Rabbit: > 5000 mg/kg
storage condition: 15°C~30°C,with cool and dry;
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What is 4-Hydroxybenzoic acid?
4-Hydroxybenzoic acid (4-HBA) is a white crystalline solid that is widely used in organic synthesis. In particular, its esters, called parabens, are used as preservatives in cosmetics and pharmaceuticals.
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