2-Amino-2',5-dichlorobenzophenone

Product Name: 2-Amino-2',5-dichlorobenzophenone
CAS No.: 2958-36-3
Chemical Name: 2-Amino-2',5-dichlorobenzophenone
Synonyms: (2-AMINO-5-CHLOROPHENYL)(2-CHLOROPHENYL)METHANONE;NSC 611905;LORAZEPAM IMP A;TIMTEC-BB SBB003068;IFLAB-BB F1386-0354;LORAZEPAM IMPURITY A;Lorazepam impurity B;Lorazepam Impurity 4;LABOTEST-BB LT00080738;Lorazepam USP Impurity B
CBNumber: CB5779789
Molecular Formula: C13H9Cl2NO
Formula Weight: 266.12
MOL File: 2958-36-3.mol

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2-Amino-2',5-dichlorobenzophenone Property

Melting point:: 87-89 °C(lit.)
Boiling point:: 453.6±40.0 °C(Predicted)
Density: 1.3134 (rough estimate)
vapor pressure: 0Pa at 25℃
refractive index: 1.5490 (estimate)
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
solubility: methanol: soluble
pka: -0.97±0.10(Predicted)
form: Solid
color: Yellow to Green
Water Solubility: Insoluble in water.
BRN: 652774
InChIKey: KWZYIAJRFJVQDO-UHFFFAOYSA-N
LogP: 3.1
CAS DataBase Reference: 2958-36-3(CAS DataBase Reference)
NIST Chemistry Reference: Methanone, (2-amino-5-chlorophenyl)(2-chlorophenyl)-(2958-36-3)
EPA Substance Registry System: Methanone, (2-amino-5-chlorophenyl)(2-chlorophenyl)- (2958-36-3)

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Safety

Hazard Codes: Xi,Xn
Risk Statements: 36/37/38-20/21/22
Safety Statements: 26-37/39-24/25-36
WGK Germany: 3
RTECS: DJ0200000
Hazard Note: Irritant
TSCA: Yes
HS Code: 29223900

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 105155
Product name: 2-Amino-2′,5-dichlorobenzophenone
Purity: 99%
Packaging: 10g
Price: $35.9
Updated: 2025/07/31

Sigma-Aldrich

Product number: 105155
Product name: 2-Amino-2′,5-dichlorobenzophenone
Purity: 99%
Packaging: 50g
Price: $79.5
Updated: 2025/07/31

TCI Chemical

Product number: A1128
Product name: 2-Amino-2',5-dichlorobenzophenone
Purity: >98.0%(N)
Packaging: 10g
Price: $18
Updated: 2025/07/31

Sigma-Aldrich

Product number: 1370338
Product name: Lorazepam Related Compound B
Purity: United States Pharmacopeia (USP) Reference Standard
Packaging: 25mg
Price: $1200
Updated: 2025/07/31

TRC

Product number: A604630
Product name: 2-Amino-2’,5-dichlorobenzophenone
Packaging: 5g
Price: $65
Updated: 2021/12/16

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2-Amino-2',5-dichlorobenzophenone Chemical Properties,Usage,Production

Chemical Properties

YELLOW TO YELLOW-GREEN POWDER

Uses

2-Amino-2',5-dichlorobenzophenone is used to produce lorazepam a drug of the benzodiazepine group, used especially to treat anxiety.

Uses

Lorazepam Impurity A.

General Description

2-Amino-2′,5-dichlorobenzophenone can be synthesized from a precursor diazepine, Iorazepam.

2-Amino-2',5-dichlorobenzophenone Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Amino-2',5-dichlorobenzophenone Suppliers

Americas 1 Belgium 1 Canada 3 China 271 Europe 3 France 1 Germany 7 India 24 Italy 1 Japan 4 Norway 1 Poland 1 Slovakia 1 South Korea 1 Switzerland 3 Ukraine 1 United Kingdom 24 United States 51 Global 399

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View Lastest Price from 2-Amino-2',5-dichlorobenzophenone manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 2-Amino-2',5-dichlorobenzophenone 2958-36-3
Price: US $0.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 500000kg
Release date: 2024-10-30

Hebei Yanxi Chemical Co., Ltd.

Product: 2-Amino-2',5-dichlorobenzophenone 2958-36-3
Price: US $40.00/kg
Min. Order: 1kg
Purity: 0.99
Supply Ability: 10 tons
Release date: 2023-10-12

Wuhan Boyuan Import & Export Co., LTD

Product: 2-Amino-2',5-dichlorobenzophenone 2958-36-3
Price: US $9.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 50000tons
Release date: 2023-06-25

2958-36-3, 2-Amino-2',5-dichlorobenzophenoneRelated Search:

4-Aminobenzoic acid Glycine Betaine ALTRENOGEST Sulfanilic acid 4,4'-Methylenedianiline Benzophenone 4,4'-Diaminodiphenylsulfone 3-Aminoacetophenone Lorcaserin 5-Methyl Isomer HCl 3-(3-CHLOROPHENYLETHYL)PYRIDINE N-OXIDE 3-Pyridineacrylonitrile, α-(m-chlorophenyl)-β-hydroxy- (8CI) 1-[[2-(4-Chlorophenyl)ethyl]amino]-2-chloropropane hydrochloride Lorcaserin Impurity 3 Lorcaserin Sulfamate Lorcaserin Impurity 3 Lorcaserin iMpurity D 3-Chlorobenzyl cyanide

(2-AMINO-5-CHLOROPHENYL)(2-CHLOROPHENYL)METHANONE

2'-AMINO-5'-CHLOROBENZOYL-2-CHLOROBENZENE

2-AMINO-5-CHLORO-2'-CHLOROBENZOPHENONE

LABOTEST-BB LT00080738

LORAZEPAM IMP A

LORAZEPAM IMPURITY A

2-Amino-2',5-dichlorobenzophenone,99%

IFLAB-BB F1386-0354

2-Amino-2-dichlorobenzophenone

2',5-Dichloro-2-aminobenzophenone

TIMTEC-BB SBB003068

2-AMINO-5,2'-DICHLORO BENZOPHENONE

2-Amino-2'-chloro-5-chlorobenzophenone

Lorazepam Related Compound B (25 mg) (2-Amino-2',5-dichlorobenzophenone)

(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone, 4-Chloro-2-(2-chlorobenzoyl)aniline

LorazepaM Related CoMpound B

Lorazepam ImpuritⅠ: 2-Amino-2',5-dichlorobenzophenone

2,5'-Dichloro-2'-aminobenzophenone

NSC 611905

Methanone, (2-amino-5-chlorophenyl)(2-chlorophenyl)-

2-Amino-5,2''-Dichlorobenzophenone(CCAB)

2-Amino-2',5-dichloro-diphenylmethanone

2-AMINO-2'',5-DICHLOROBENZOPHENONEDIAZEPAM

2,3'-Dichloro-6'-aminobenzophenone

(2-amino-5-chlorophenyl)(2-chlorophenyl)-methanon

2-amino-2’,5-dichloro-benzophenon

2-amino-5,2'-dichlor-benzophenone

Benzophenone, 2-amino-2',5-dichloro-

2-Amino-2',5-dichlorobenzophenone&gt

Lorazepam Impurity 1 (Lorazepam EP Impurity A)

Lorazepam impurity B

Lorazepam Related Compound B (2-Amino-2'',5-dichlorobenzophenone) (1370338)

Lorazepam Impurity 4

Lorazepam USP Related Compound B

2-Amino-2',5-dichlorobenzophenone

Lorazepam EP Impurity A (Lorazepam USP Related Compound B)

2-Amino-2',5-dichlorobenzophenone in methanol

(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone (2-Amino-2',5-dichlorobenzophenone)

2-Amino-2-dichlorobenzophenone, 10 mM in DMSO

Lorazepam USP Impurity B

Lorazepam ImpuritⅠ: 2-Amino-2',5-dichlorobenzophenone

2-Amino-2',5-dichlorobenzophenone

(2-Amino-5-chlorophenyl)(2-chlorophenyl)methanone (2-Amino-2',5-dichlorobenzophenone)

2958-36-3

58-36-3

C13H9NOCl2

H2NC6H3ClCOC6H4Cl

C13H9Cl2NO

AMINE

Reagent for High-Performance Polymer Research

Benzophenones (for High-Performance Polymer Research)

Ketones

Organic Building Blocks

Building Blocks

C13 to C14

Carbonyl Compounds

Aromatic Benzophenones & Derivatives (substituted)

Benzene series