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1-Bromo-2-naphthol

1-Bromo-2-naphthol structure

CAS No:
573-97-7
Formula:
C10H7BrO
Chemical Name:
1-Bromo-2-naphthol
Synonyms:
2-Naphthalenol,1-bromo-;2-Naphthol,1-bromo-;1-Bromo-2-naphthalenol;α-Bromo-β-naphthol;1-Bromo-β-naphthol;1-Bromo-2-naphthol;Disthemin;Wormin;1-Bromo-2-hydroxynaphthalene;1-Bromonaphthalen-2-ol;NSC 60275
Categories:
Active Pharmaceutical Ingredients > Antiparasitic Drugs

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Description

off-white to beige or brown-purple cryst. powder

1-Bromo-2-naphthol Basic Attributes

Molecular Weight：

223.07

Exact Mass：

223.07

BRN：

2044001

EC Number：

209-363-1

UNII：

VKE7L55PP9

NSC Number：

60275

DSSTox ID：

DTXSID20205919

HScode：

29081000

Characteristics

PSA：

20.2

XLogP3：

Appearance：

Off-white to beige or brown-purple Crystalline Powder

Density：

1.6±0.1 g/cm3

Melting Point：

84 °C

Boiling Point：

130 °C

Flash Point：

143.5±20.4 °C

Refractive Index：

1.705

Storage Conditions：

Store below +30°C.

Safety Information

Hazard category：

IRRITANT

Transport codes：

NONH for all modes of transport

wgk germany：

hazard class code：

36/37/38

safety instructions：

26-37/39

RTECS Number：

QL3361000

Marks：

Stability/Shelf Life：

Stable at room temperature in closed containers under normal storage and handling conditions.

Precautionary statement(s)：

P261-P305 + P351 + P338

Hazard Statements：

H302-H315-H319-H335

GHS Classification：

|Warning|H302 (97.83%): 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 46 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

1-Bromo-2-naphthol Use and Manufacturing

Methods of Manufacturing

Derived from 2-naphthol bromination. Add ethanol to the reaction pot, add 2-naphthol, stir to dissolve, cool to 15°C and add bromine, keep the temperature at about 15°C, add it in 2-3h, and stir for 10min. At the same time pass sulfur dioxide to saturation. Put the reaction material into the crystallization tank, add water to precipitate crystals. Filter, wash with water to pH 6-7, and dry to obtain bromonaphthol with a yield of over 90%.

Uses

Dye intermediate; used in organic synthesis. This product is also an anthelmintic drug used for hookworm infections.

Computed Properties

Molecular Weight:223.07
XLogP3:3
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:1
Exact Mass:221.96803
Monoisotopic Mass:221.96803
Topological Polar Surface Area:20.2
Heavy Atom Count:12
Complexity:160
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

2-Naphthol

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CAS No.: 573-97-7

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1-Bromo-2-naphthol

CAS No.: 573-97-7

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