Anhui Jinao Chemical Co., Ltd.--Ethyl 4-hydroxybenzoate|120-47-8

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JIN'AO CHEMICAL

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Fine chemicals

Pharmaceutical intermediates

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Quaternary ammonium salt

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Ethyl 4-hydroxybenzoate

Category:

Intetmediates/Other intermediates

Product Name:

Ethyl 4-hydroxybenzoate

Molecular Weight:

166.17

CAS NO:

120-47-8

EC NO:

204-399-4

Molecular Formula:

C₉H₁₀O₃

Specification:

≥99%

Packing:

25 kgs/drum

Introduction:

white crystal with slight bitter taste, easily soluble in alcohols, ether and acetone, almost insoluble in water. b.p.: 297-298℃;

	Details
Item	GB 8850-2005	B.P 2000	USP29-NF24
Appearance	/	colorless crystal or white crystalline powder	/
Assay (dry basis) %≥	99.0-100.5	99.0-100.5	98.0-102.0
m.p.: ℃	115-118	115-118	115-118
Acidity	/	qualified	qualified
Sulphate (SO42-) %≤	0.024	/	/
Heavy metal (Pb) %≤	0.001	/	/
Arsenic (AS) %≤	0.0001	/	/
Drying loss %≤	0.50	/	0.50
Residue on ignition %≤	0.05	0.1	0.1
Free acid (p-hydroxybenzoic acid)) mass fraction % ≤	0.55	/	/
Related substance	/	qualified	/
Appearance of solution	/	clear transparent	/
Organic volatiles	/	/	qualified
Qualification test	/	/	qualified

Use:

As food preservative; also used in pharmacy and leather industries.

Structural Formula: