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2,3-Dihydroxynaphthalene

2,3-Dihydroxynaphthalene structure

CAS No:
92-44-4
Formula:
C10H8O2
Chemical Name:
2,3-Dihydroxynaphthalene
Synonyms:
2,3-Naphthalenediol;2,3-Dihydroxynaphthalene;NSC 8707;D 0593
Categories:
Cosmetic Ingredient > Hair Dyeing

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Description

Off white to redish white powder

Naphthalene-2,3-diol is a naphthalenediol.

2,3-Dihydroxynaphthalene Basic Attributes

Molecular Weight：

160.17

Exact Mass：

160.17

BRN：

742375

EC Number：

202-156-7

UNII：

O9U131030Z

NSC Number：

8707

DSSTox ID：

DTXSID2043903

HScode：

29072900

Characteristics

PSA：

40.5

XLogP3：

2.5

Appearance：

White to pinkish to beige-grayish Powder

Density：

1.3±0.1 g/cm3

Melting Point：

162 °C

Boiling Point：

353.9°C at 760 mmHg

Flash Point：

175 °C

Refractive Index：

1.726

Water Solubility：

H2O: slightly soluble

Storage Conditions：

2-8°C

Vapor Pressure：

0.8 hPa (149 °C)

Toxicity：

LD50 orally in Rabbit: 970 mg/kg

Collision Cross Section：

132.44 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|131.3 Å² [M-H]-

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-37/39

RTECS Number：

QJ4750000

Marks：

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H302 (10.64%): Harmful if swallowed [Warning Acute toxicity, oral]|P261, P264, P270, P271, P280, P301+P312, P302+P352, P304+P340, P305+P351+P338, P312, P321, P330, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 47 companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Drug Information

Metabolism/Metabolites：

2,3-Dihydroxynaphthalene has known human metabolites that include 3-Methoxy-2-naphthol.

MeSH Entry Terms：

2,3-dihydroxynaphthalene

2,3-Dihydroxynaphthalene Use and Manufacturing

Uses

Used for making azo dyes, etc.

Manufacturing Info：

2,3-Naphthalenediol: ACTIVE

Use Classification：

Cosmetics -> Hair dyeing

Computed Properties

Molecular Weight:160.17
XLogP3:2.5
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:160.052429494
Monoisotopic Mass:160.052429494
Topological Polar Surface Area:40.5
Heavy Atom Count:12
Complexity:140
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 2,3-Dihydroxynaphthalene

Description
Basic Attributes
Characteristics
Safety Information
Drug Information
Use and Manufacturing
Computed Properties
Recommended Suppliers
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2,3-Dihydroxynaphthalene

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