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HOMOGENTISIC ACID

HOMOGENTISIC ACID
HOMOGENTISIC ACID
CAS No.
451-13-8
Chemical Name:
HOMOGENTISIC ACID
Synonyms
alcapton;HOMOGENTISIC ACID;Homogentisinic acid;HOMOGENTISIC ACID(RG);2,5-Dihydroxy-α-toluic acid;homogentisic acid free acid;1,4-HYDROQUINONEACETIC ACID;HoMogentisic acid crystalline;2,5-DIHYDROXYPHENYLACETIC ACID;2,5-dihydroxy-benzeneaceticaci
CBNumber:
CB5207860
Molecular Formula:
C8H8O4
Formula Weight:
168.15
MOL File:
451-13-8.mol

HOMOGENTISIC ACID Properties

Melting point:
150-152 °C(lit.)
Boiling point:
257.07°C (rough estimate)
Density 
1.3037 (rough estimate)
refractive index 
1.5090 (estimate)
storage temp. 
2-8°C
solubility 
Soluble in methanol.
pka
4.4(at 25℃)
form 
crystalline
color 
off-white to tan
Water Solubility 
very faint turbidity
Merck 
14,4737
CAS DataBase Reference
451-13-8(CAS DataBase Reference)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
RTECS  AH0589000
TSCA  Yes
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

HOMOGENTISIC ACID price More Price(10)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich H0751 Homogentisic acid crystalline 451-13-8 100mg $108 2018-11-13 Buy
Sigma-Aldrich H0751 Homogentisic acid crystalline 451-13-8 500mg $366 2018-11-13 Buy
TCI Chemical D1050 Homogentisic Acid >97.0%(HPLC)(T) 451-13-8 1g $240 2018-11-22 Buy
TCI Chemical D1050 Homogentisic Acid >97.0%(HPLC)(T) 451-13-8 5g $814 2018-11-22 Buy
Alfa Aesar H60742 2,5-Dihydroxyphenylacetic acid, 97% 451-13-8 500mg $352 2018-11-13 Buy

HOMOGENTISIC ACID Chemical Properties,Uses,Production

Chemical Properties

off-white to tan crystals or crystalline powder

Uses

An intermediate in the metabolism of tyrosine and phenylalanine. Occurs in plants and in the urine of alkaptonurics.

Purification Methods

Crystallise homogentisic acid from EtOH/CHCl3 or H2O (solubility is 85% at 25o). [Beilstein 10 IV 1506.]

HOMOGENTISIC ACID Preparation Products And Raw materials

Raw materials

Preparation Products


HOMOGENTISIC ACID Suppliers

Global( 64)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
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TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
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021-58436166-800 info@energy-chemical.com China 44192 61
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+86-21-54291107 info@hanhonggroup.com China 43423 64
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shchemsky@sina.com China 32520 50
Syntechem Co.,Ltd Please Email
E-Mail Inquiry info@syntechem.com China 13092 57

HOMOGENTISIC ACID Spectrum


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