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Benzamidine

CAS No.
618-39-3
Chemical Name:
Benzamidine
Synonyms
benziMidaMide;BENZENECARBOXIMIDAMIDE;phenylamidine;benzamidin;Benzamidine;benzylamidine;EINECS 210-546-3;Phenylmethanamidine;benzenecarbonamidine;α-Iminobenzenemethanamine
CBNumber:
CB8718710
Molecular Formula:
C7H8N2
Molecular Weight:
120.15
MDL Number:
MFCD00042826
MOL File:
618-39-3.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:55:51

Benzamidine Properties

Melting point 65-70 °C
Boiling point 208.5±23.0 °C(Predicted)
Density 1.09±0.1 g/cm3(Predicted)
storage temp. -20°C Freezer
solubility Chloroform (Slightly), Methanol (Slightly)
pka 11.90±0.40(Predicted)
form powder or crystals
color White to Off-White
BRN 606020
InChI InChI=1S/C7H8N2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H3,8,9)
InChIKey PXXJHWLDUBFPOL-UHFFFAOYSA-N
SMILES C1(C(N)=N)=CC=CC=C1
FDA UNII KUE3ZY3J1F
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H302-H319
Precautionary statements  P305+P351+P338
PPE dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes  Xn
Risk Statements  22-36
Safety Statements  26
WGK Germany  3
9-23
HS Code  29299000
Storage Class 11 - Combustible Solids

Benzamidine price More Price(43)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 12072 Benzamidine ≥95.0% 618-39-3 10g $326 2026-04-30 Buy
Sigma-Aldrich 12072 Benzamidine ≥95.0% 618-39-3 50g $1100 2026-04-30 Buy
Biosynth FB35345 Benzamidine 618-39-3 5g $471.15 2026-06-04 Buy
Biosynth FB35345 Benzamidine 618-39-3 10g $659.6 2026-06-04 Buy
ChemScene CS-0103011 Benzamidine ≥95% 618-39-3 1g $55 2026-06-04 Buy
Product number Packaging Price Buy
12072 10g $326 Buy
12072 50g $1100 Buy
FB35345 5g $471.15 Buy
FB35345 10g $659.6 Buy
CS-0103011 1g $55 Buy

Benzamidine Chemical Properties, Uses, Production

Uses

Benzamidine was used in the preparation of heparan sulfate-rich proteoglycan from mouse mammary epithelial cells. It has been used to prevent enzymatic degradation during the purification procedure of bovine factor XII (Hageman factor).

Definition

ChEBI: Benzamidine is a carboxamidine that is benzene carrying an amidino group. It has a role as a serine protease inhibitor. It is a member of benzenes and a carboxamidine. It is functionally related to a benzoic acid. It is a conjugate base of a benzamidine(1+).

Synthesis Reference(s)

The Journal of Organic Chemistry, 27, p. 1255, 1962 DOI: 10.1021/jo01051a033
Tetrahedron Letters, 31, p. 1969, 1990 DOI: 10.1016/S0040-4039(00)88891-7

Biochem/physiol Actions

Benzamidine is an inhibitor of plasmin and has been used in the radioimmunoassay of glucagon in human plasma. It prevents the destruction of Thyrotropin-releasing hormone (TRH) added to whole blood in vitro before radioimmunoassay of TRH.

Purification Methods

It is liberated from its hydrochloride chloride (below) by treatment with 5M NaOH, extracted into diethyl ether, dried (Na2SO4) and sublimed in vacuo.[Beilstein 9 H 280, 9 I 123, 9 II 199, 9 1264, 9 IV 898.]

Global Suppliers ( 144)
Supplier Tel Email Country ProdList Advantage
Shanghai Jian Chao Chemical Technology Co., Ltd. 150-2103-5486 18017383231 983544897@qq.com China 9335 55
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Syntechem Co.,Ltd info@syntechem.com China 12973 57
Sinopharm Chemical Reagent Co,Ltd. 86-21-63210123 sj_scrc@sinopharm.com China 9791 79
ShangHai YuanYe Biotechnology Co., Ltd. 15026964105 shyysw007@163.com China 4998 60
Tianjin YongSheng Biotechnology Co., Ltd. 022-60987737 13512258274;13820956092 sales@immortalbio.com China 154 55
Thermo Fisher Scientific 800-810-5118 cnchemical@thermofisher.com China 17752 75

View Latest Price from Benzamidine manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
BENZAMIDINE pictures 2021-07-13 BENZAMIDINE
618-39-3
$10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
BENZAMIDINE pictures 2021-07-10 BENZAMIDINE
618-39-3
$10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
BENZAMIDINE pictures 2019-07-06 BENZAMIDINE
618-39-3
$1.00 1kg 95%-99% 100kg Career Henan Chemical Co
  • BENZAMIDINE pictures
  • BENZAMIDINE
    618-39-3
  • $10.00-15.00
  • 99%+ HPLC
  • Zhuozhou Wenxi import and Export Co., Ltd
  • BENZAMIDINE pictures
  • BENZAMIDINE
    618-39-3
  • $10.00-15.00
  • 99%+ HPLC
  • Zhuozhou Wenxi import and Export Co., Ltd
  • BENZAMIDINE pictures
  • BENZAMIDINE
    618-39-3
  • $1.00
  • 95%-99%
  • Career Henan Chemical Co
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