2-6-Dihydroxy benzoic acid（CAS#303-07-1）

Chemical Property:

Molecular Formula	C7H6O4
Molar Mass	154.12
Density	1.3725 (rough estimate)
Melting Point	165 °C (dec.) (lit.)
Boling Point	237.46°C (rough estimate)
Flash Point	175.8°C
Water Solubility	9.56g/L(temperature not stated)
Solubility	Methanol
Vapor Presure	2.65E-05mmHg at 25°C
Appearance	White to white-like crystals or powders
Color	Off-white
BRN	2209755
pKa	pK1:1.30 (25°C)
Storage Condition	Keep in dark place,Inert atmosphere,Room temperature
Sensitive	Sensitive to light
Refractive Index	1.6400 (estimate)
MDL	MFCD00002462
Physical and Chemical Properties	Appearance: off-white or yellow crystalsmelting point 154-155°C Content: 99% MINMIN Melting Point: 158-163°C ash content: 0.1% MAX moisture content: 0.5% MAX
Use	Used as pesticide, pharmaceutical intermediates

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Product Detail

Product Tags

Hazard Symbols	Xi – Irritant
Risk Codes	36/37/38 – Irritating to eyes, respiratory system and skin.
Safety Description	S26 – In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 – Wear suitable protective clothing.
WGK Germany	3
RTECS	DG8578000
TSCA	Yes
HS Code	29182990
Hazard Note	Irritant

Introduction

It can reduce hot Pheline’s solution without reducing hot Tollen’s reagent. When encountering ferric chloride, it is purple to blue. Soluble in ethanol, ether and hot water. The precipitated from the water contains one molecule of crystal water with a melting point of 150-170 ℃, which changes according to the heating speed and decomposes into resorcinol. It’s irritating.

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2-6-Dihydroxy benzoic acid