ChemicalBook > CAS DataBase List > 2-Amino-2',5-dichlorobenzophenone

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
25g
Price
$100
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

MDP ChemControl Ltd.
Tel
--
Fax
--
Email
chemcontrol@nextra.sk
Country
Slovakia
ProdList
6700
Advantage
60
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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:


  • (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