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2,5-dihydroxybenzoic acid

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Origin: China

Cas No: 490-79-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

Quick Details
CAS No.:
490-79-9
Other Names:
Hydroquinonecarboxylic acid
MF:
C7H6O4
EINECS No.:
207-718-5
Place of Origin:
Anhui, China
Type:
Pharmaceutical Intermediates
Purity:
99%
Brand Name:
GSK
Model Number:
490-79-9
Application:
Chemical
Appearance:
White Endocardial pocket
Packing:
1kg/Alu bag or 25kg/Drum
Molecular Weight:
154.12g/mol
Grade:
Phamaceutical Grade
Shelf life:
Aluminum foil bag
Packaging&Delivery
Packaging Details
1kg/Alu bag or 25kg/Drum
Packing method :Woven bag or draft paper bag atteched polyethylene endometrium bag packing tightly or as buyer request
Port
Any mainly port in China
Lead Time:
Quantity(Kilograms) 1 - 25 >25
Est. Time(days) 3 To be negotiated

Property

CAS No.: 490-79-9 Formula: C7H6O4 Molecular Weight: 154.12000

Description

Gentisic acid is a dihydroxybenzoic acid. It is a derivative of benzoic acid and a minor (1%) product of the metabolic break down of aspirin, excreted by the kidneys.
It is also found in the African tree Alchornea cordifolia and in wine.

Basic Info

Chemical Name	2,5-dihydroxybenzoic acid
Synonyms	Benzoic acid,2,5-dihydroxy; 2,5-dihydroxy-benzoic acid; 2,5-DHBA,DHB,Gentisic acid; Benzoic acid, 2,5-dihydroxy-; 2,5-dihydroxyphenylcarboxylic acid; Hydroquinonecarboxylic acid; 2,5-Dihydroxybenzoic Acid; gentisic acid; Gensigon; 2,5-dihydroxybenzoate; Gentisate; 2,5-Dioxybenzoic acid; Gensigen; 5-Hydroxysalicylic acid;
CAS No.	490-79-9
Molecular Formula	C7H6O4
Molecular Weight	154.12000
PSA	77.76000
LogP	0.79600

Properties

Appearance & Physical State	White to yellow powder
Density	1.559 g/cm3
Boiling Point	406.9ºC at 760 mmHg
Melting Point	204-207ºC
Flash Point	214ºC
Water Solubility	soluble
Stability	Stable at room temperature in closed containers under normal storage and handling conditions.
Storage Condition	Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Vapor Pressure	2.38E-07mmHg at 25°C

Safety Info

RTECS	LY3850000
Safety Statements	S26-S37/39
HS Code	29182990
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi
Symbol	GHS07
Hazard Declaration	H302; H315; H319; H335
Signal Word	Warning
Caution Statement	P261; P305 + P351 + P338

Synthesis Route

2,5-Dichlorobenzoic acid→2,5-dihydroxybenzoic acid
5-Bromosalicylic Acid→2,5-dihydroxybenzoic acid
hydroquinone→2,5-dihydroxybenzoic acid

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Intraperitoneal	LD50 - Lethal dose, 50 percent kill	Rodent - rat	3 gm/kg	1.Details of toxic effects not reported other than lethal dose value
Oral	LD50 - Lethal dose, 50 percent kill	Rodent - mouse	4500 mg/kg	1.Details of toxic effects not reported other than lethal dose value
Intravenous	LD50 - Lethal dose, 50 percent kill	Rodent - mouse	374 mg/kg	1.Behavioral-convulsions or effect on seizure threshold

Precursor

5-Bromosalicylic Acid
salicylic acid
benzyl 5-hydroxy-2-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxybenzoate
2,5-Dichlorobenzoic acid

Downstream Product

Methyl 3-methoxybenzoate
methyl p-anisate
Methyl 2-methoxybenzoate
METHYL 2,4-DIMETHOXYBENZOATE

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