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ChemicalBook >> CAS DataBase List >> 2-(4-Hydroxyphenylazo)benzoic acid

2-(4-Hydroxyphenylazo)benzoic acid

$11 - $8260
Product name: 2-(4-Hydroxyphenylazo)benzoic acid
CAS: 1634-82-8
MF: C13H10N2O3
MW: 242.23
EINECS:216-655-2
MDL Number:MFCD00002428
Synonyms:2'-(4-HYDROXYPHENYLAZO)BENZOIC ACID, MAT RIX SUBSTANCE;2-(4-HYDROXYPHENYLAZO)BENZOIC ACID, PGE. WITH 10 X 10 MG;2-(p-Hydroxyphenylazo)benzoic acid, 98+%;HABA GR FOR AUTOMATIC ANALYSIS;2-(4-Hydroxyphenylazo)benzoic acid, 98+%;2-(4μ-Hydroxybenzeneazo)benzoic acid, 4μ-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA;HABCA;2-(4-Hydroxyphenylazo)benzoic acid,97%

Price47 Properties Safety Information Description

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aablocks
AHH
AK Scientific
American Custom Chemicals Corporation
ApexBio Technology
Apolloscientific
Arctom
Biosynth
Chem-Impex
Sigma-Aldrich
SynQuest Laboratories
TCI Chemical
Thermo Scientific Chemicals
Usbiological

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250mg
1g
5g
10g
25g
50G
100g
250G
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Manufactureraablocks
Product numberAA001U09
Product description2-(4′-Hydroxyphenylazo)benzoic acid 98%
Packaging1g
Price$11
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA001U09
Product description2-(4′-Hydroxyphenylazo)benzoic acid 98%
Packaging5g
Price$19
Updated2026-05-28
Buy

Manufactureraablocks
Product numberAA001U09
Product description2-(4′-Hydroxyphenylazo)benzoic acid 98%
Packaging10g
Price$34
Updated2026-05-28
Buy

ManufacturerAHH
Product numberMT-15452
Product description2-(4-Hydroxyphenylazo)benzoic acid 97%
Packaging500g
Price$428
Updated2026-05-25
Buy

ManufacturerAHH
Product numberMT-15452
Product description2-(4-Hydroxyphenylazo)benzoic acid 97%
Packaging500g
Price$428
Updated2026-05-26
Buy

ManufacturerAHH
Product numberMT-15452
Product description2-(4-Hydroxyphenylazo)benzoic acid 98%
Packaging500g
Price$428
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product number6095AF
Product description4'-Hydroxyazobenzene-2-carboxylic Acid
Packaging5g
Price$94
Updated2021-12-16
Buy

ManufacturerAK Scientific
Product number6095AF
Product description4'-Hydroxyazobenzene-2-carboxylic Acid
Packaging250mg
Price$14
Updated2021-12-16
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ManufacturerAK Scientific
Product number6095AF
Product description4'-Hydroxyazobenzene-2-carboxylic Acid
Packaging1g
Price$34
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0019040
Product descriptionHABA 95.00%
Packaging50G
Price$2336.2
Updated2021-12-16
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ManufacturerAmerican Custom Chemicals Corporation
Product numberCHM0019040
Product descriptionHABA 95.00%
Packaging250G
Price$4147.28
Updated2021-12-16
Buy

ManufacturerApexBio Technology
Product numberB7918
Product descriptionHABA
Packaging1g
Price$50
Updated2021-12-16
Buy

ManufacturerApexBio Technology
Product numberB7918
Product descriptionHABA
Packaging5g
Price$100
Updated2021-12-16
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ManufacturerApolloscientific
Product numberOR18374
Product description2-[(4-Hydroxyphenyl)diazenyl]benzoicacid
Packaging100g
Price$138
Updated2021-12-16
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ManufacturerApolloscientific
Product numberOR18374
Product description2-[(4-Hydroxyphenyl)diazenyl]benzoicacid
Packaging25g
Price$66
Updated2021-12-16
Buy

ManufacturerApolloscientific
Product numberOR18374
Product description2-[(4-Hydroxyphenyl)diazenyl]benzoic acid ≥95%
Packaging25g
Price$115
Updated2026-06-04
Buy

Manufacturer	Product number	Product description	Packaging	Price	Updated	Buy
aablocks	AA001U09	2-(4′-Hydroxyphenylazo)benzoic acid 98%	1g	$11	2026-05-28	Buy
aablocks	AA001U09	2-(4′-Hydroxyphenylazo)benzoic acid 98%	5g	$19	2026-05-28	Buy
aablocks	AA001U09	2-(4′-Hydroxyphenylazo)benzoic acid 98%	10g	$34	2026-05-28	Buy
AHH	MT-15452	2-(4-Hydroxyphenylazo)benzoic acid 97%	500g	$428	2026-05-25	Buy
AHH	MT-15452	2-(4-Hydroxyphenylazo)benzoic acid 97%	500g	$428	2026-05-26	Buy
AHH	MT-15452	2-(4-Hydroxyphenylazo)benzoic acid 98%	500g	$428	2021-12-16	Buy
AK Scientific	6095AF	4'-Hydroxyazobenzene-2-carboxylic Acid	5g	$94	2021-12-16	Buy
AK Scientific	6095AF	4'-Hydroxyazobenzene-2-carboxylic Acid	250mg	$14	2021-12-16	Buy
AK Scientific	6095AF	4'-Hydroxyazobenzene-2-carboxylic Acid	1g	$34	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0019040	HABA 95.00%	50G	$2336.2	2021-12-16	Buy
American Custom Chemicals Corporation	CHM0019040	HABA 95.00%	250G	$4147.28	2021-12-16	Buy
ApexBio Technology	B7918	HABA	1g	$50	2021-12-16	Buy
ApexBio Technology	B7918	HABA	5g	$100	2021-12-16	Buy
Apolloscientific	OR18374	2-[(4-Hydroxyphenyl)diazenyl]benzoicacid	100g	$138	2021-12-16	Buy
Apolloscientific	OR18374	2-[(4-Hydroxyphenyl)diazenyl]benzoicacid	25g	$66	2021-12-16	Buy
Apolloscientific	OR18374	2-[(4-Hydroxyphenyl)diazenyl]benzoic acid ≥95%	25g	$115	2026-06-04	Buy

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Properties

Melting point :204-208 °C(lit.)
Boiling point :385.05°C (rough estimate)
Density :1.2480 (rough estimate)
refractive index :1.5300 (estimate)
storage temp. :Store below +30°C.
solubility :ethanol: 20 mg/mL, clear
form :powder to crystal
pka :3.40±0.36(Predicted)
color :Light yellow to Brown
BRN :1842696
Stability :Stable. Incompatible with strong oxidizing agents.
InChI :1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)/b15-14+
InChIKey :DWQOTEPNRWVUDA-CCEZHUSRSA-N
SMILES :Oc1ccc(cc1)\N=N\c2ccccc2C(O)=O
CAS DataBase Reference :1634-82-8(CAS DataBase Reference)
EPA Substance Registry System :Benzoic acid, 2-[(4-hydroxyphenyl)azo]- (1634-82-8)
Absorption :≥2000 at 337nm (mol. absorption)

Safety Information

Symbol(GHS):

Signal word:

Warning

Hazard statements:

Code	Hazard statements	Hazard class	Category	Signal word	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.
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.

Description

Indicator used in determination of serum albumin

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2-(4-Hydroxyphenylazo)benzoic acid

Properties

Safety Information

Description

Related product price

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