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3-Hydroxydiphenylamine

CAS No.
101-18-8
Chemical Name:
3-Hydroxydiphenylamine
Synonyms
3-Anilinophenol;3-(PHENYLAMINO)PHENOL;M-ANILINOPHENOL;Phenol, m-anilino-;3-(phenylamino)-pheno;m-(Phenylamino)phenol;3-Hydroxydipheylamine;M-HYDROXYDIPHENYLAMINE;3-HYDROXYDIPHENYLAMINE;Phenol, 3-(phenylamino)-
CBNumber:
CB4778109
Molecular Formula:
C12H11NO
Molecular Weight:
185.22
MDL Number:
MFCD00002262
MOL File:
101-18-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-08-28 09:47:29

3-Hydroxydiphenylamine Properties

Melting point 81-82°C
Boiling point 340°C
Density 1.0936 (rough estimate)
refractive index 1.5300 (estimate)
Flash point 340°C
storage temp. 2-8°C
pka 9.74±0.10(Predicted)
form Powder
color Brown
Water Solubility <0.1 g/100 mL at 22.5 ºC
BRN 2092957
CAS DataBase Reference 101-18-8(CAS DataBase Reference)
FDA UNII E39Q946GO3
NIST Chemistry Reference 3-Hydroxydiphenylamine(101-18-8)
EPA Substance Registry System 3-Hydroxy-N-phenylaniline (101-18-8)

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)Skull and Crossbones (GHS06)
GHS07,GHS06
Signal word  Warning
Hazard statements  H315-H319-H301-H335
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P301+P310a-P305+P351+P338-P405-P501a
Hazard Codes  Xi,C
Risk Statements  36/37/38
Safety Statements  26-37/39
RIDADR  2811
TSCA  TSCA listed
HazardClass  6.1
PackingGroup  III
HS Code  2922290090
REACH Registrations Active
Limited Quantities 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
1
2 0

3-Hydroxydiphenylamine price More Price(34)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical A0476 3-Hydroxydiphenylamine >98.0%(HPLC)(N) 101-18-8 25g $48 2021-12-16 Buy
Apolloscientific OR920303 3-Hydroxydiphenylamine 95% 101-18-8 250mg $21 2026-06-04 Buy
Apolloscientific OR920303 3-Hydroxydiphenylamine 95% 101-18-8 1g $25 2026-06-04 Buy
Apolloscientific OR920303 3-Hydroxydiphenylamine 95% 101-18-8 5g $37 2026-06-04 Buy
Apolloscientific OR920303 3-Hydroxydiphenylamine 95% 101-18-8 10g $62 2026-06-04 Buy
Product number Packaging Price Buy
A0476 25g $48 Buy
OR920303 250mg $21 Buy
OR920303 1g $25 Buy
OR920303 5g $37 Buy
OR920303 10g $62 Buy

3-Hydroxydiphenylamine Chemical Properties, Uses, Production

Chemical Properties

Red brown soli

Uses

3-Hydroxydiphenylamine is used as an intermediate in dyes, pharmaceuticals, and rubber additives.

Definition

ChEBI: 3-hydroxydiphenylamine is a substituted aniline.

General Description

Beige powder.

Air & Water Reactions

Insoluble in water.

Reactivity Profile

Amines are chemical bases. They neutralize acids to form salts plus water. These acid-base reactions are exothermic. The amount of heat that is evolved per mole of amine in a neutralization is largely independent of the strength of the amine as a base. Amines may be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides. Flammable gaseous hydrogen is generated by amines in combination with strong reducing agents, such as hydrides.

Fire Hazard

The flash point of 3-Hydroxydiphenylamine has not been determined, but 3-Hydroxydiphenylamine is probably combustible.

Global Suppliers ( 200)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Capot Chemical Co., Ltd +86 (0) 571 85 58 67 18 China 18187 66
JinYan Chemicals(ShangHai) Co.,Ltd. 13817811078 sales@jingyan-chemical.com China 9963 60
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Maya High Purity Chemicals +86 (573) 82222445 (0)18006601000 452520369 sales@maya-r.com China 11693 57

View Latest Price from 3-Hydroxydiphenylamine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Hydroxydiphenylamine pictures 2026-09-18 3-Hydroxydiphenylamine
101-18-8
1KG 98%min 30tons/month WUHAN FORTUNA CHEMICAL CO., LTD
3-Hydroxydiphenylamine pictures 2019-07-06 3-Hydroxydiphenylamine
101-18-8
$1.00 1kg 99% Career Henan Chemical Co
3-(PHENYLAMINO)PHENOL 3-Hydroxy-N-phenylaniline 3-HYDROXYDIPHENYLAMINE M-ANILINOPHENOL M-HYDROXYDIPHENYLAMINE N-(3-HYDROXYPHENYL)ANILINE 3-(phenylamino)-pheno 3-Anilinophenol Phenol, 3-(phenylamino)- Phenol, m-anilino- 3-HYDROXYDIPHENYLAMINE 97% m-(Phenylamino)phenol 3-Hydroxyphenylphenylamine 3-Hydroxydiphenylamine ,98% m-Anilinophenol N-(3-Hydroxyphenyl)aniline AMINE,DIPHENYL,3-HYDROXY Phenol, m-anilino- (8CI) 3-Hydroxydiphenylamine> 3-Hydroxydipheylamine 101-18-8 HOC6H4NHC6H5 AMINE Intermediates of Dyes and Pigments