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8-Amino-2-naphthol

8-Amino-2-naphthol structure

CAS No:
118-46-7
Formula:
C10H9NO
Chemical Name:
8-Amino-2-naphthol
Synonyms:
2-Naphthalenol,8-amino-;2-Naphthol,8-amino-;8-Amino-2-naphthalenol;1-Amino-7-hydroxynaphthalene;8-Amino-2-naphthol;1-Amino-7-naphthol;7-Hydroxy-1-naphthylamine;NSC 60277;NSC 7939
Categories:
Chemical Reagents > Organic Reagents

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Description

grey to grey-brown granular powder

8-Amino-2-naphthol Basic Attributes

Molecular Weight：

159.18

Exact Mass：

159.18

EC Number：

204-252-4

UNII：

SLL7476ODN

NSC Number：

60277|7939

DSSTox ID：

DTXSID3059474

HScode：

29222990

Characteristics

PSA：

46.2

XLogP3：

1.43

Appearance：

Gray to brown Powder or Crystals

Density：

1.1202 (rough estimate)

Melting Point：

206 °C

Boiling Point：

284.68°C (rough estimate)

Flash Point：

182.6±20.9 °C

Refractive Index：

1.6070 (estimate)

Water Solubility：

slightly soluble

Storage Conditions：

Store in a cool, dry place. Store in a tightly closed container.

Vapor Pressure：

3.52E-05mmHg at 25°C

Toxicity：

Intravenous-Mouse LD50: 180 mg/kg

Flammability characteristics：

Flammable; burning produces toxic nitrogen oxide fumes

Safety Information

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-36-37/39

RTECS Number：

QL3331000

Marks：

Storage features：

Warehouse ventilated, low temperature and dry

Stability/Shelf Life：

Stable under normal temperatures and pressures.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H315-H319-H335

GHS Classification：

|Warning|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 44 companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Toxicity

Toxicity class：

moderately toxic

8-Amino-2-naphthol Use and Manufacturing

Methods of Manufacturing

It is obtained from 1, 7-aminonaphthalenesulfonic acid (1, 7-cliffe acid) by alkali melting and acidification.

Uses

8-Amino-2-naphthol can be acetylated to obtain 1-acetylamino-7-naphthol. Used to manufacture neutral brown VRL, dark brown 5R, neutral black BRL and black BGL.

Manufacturing Info：

2-Naphthalenol, 8-amino-: INACTIVE

Computed Properties

Molecular Weight:159.18
XLogP3:1.6
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Exact Mass:159.068413911
Monoisotopic Mass:159.068413911
Topological Polar Surface Area:46.2
Heavy Atom Count:12
Complexity:160
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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China Professional Manufacturer Supply High Quality 1-Amino-7-naphthol CAS 118-46-7

CAS No.: 118-46-7

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Content: 99%

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1-Amino-7-Naphthol 118-46-7

CAS No.: 118-46-7

Grade: Pharmaceutical Grade

Content: 99%

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