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Postion:Product Catalog >Analytical Chemistry>Standard>Volatile organic compounds (VOCs)>Benzidine
Benzidine
  • Benzidine

Benzidine

Price Get Latest Price
Package 200kg
Min. Order: 200kg
Supply Ability: 20 tons
Update Time: 2026-06-03

Product Details

Product Name: Benzidine CAS No.: 92-87-5
Min. Order: 200kg Purity: 99%
Supply Ability: 20 tons Release date: 2026/06/03

Benzidine - Physico-chemical Properties

Molecular FormulaC12H12N2
Molar Mass184.24
Density1.25
Melting Point127-128°C
Boling Point402°C
Flash Point11°C
Water SolubilitySparingly soluble. <0.1 g/100 mL at 22 oC
SolubilitySoluble in ethanol (U.S. EPA, 1985) and ether (1 g/50 mL) (Windholz et al., 1983)
Vapor PresureBased on the specific vapor density value of 6.36 (Sims et al., 1988), the vapor pressure wascalculated to be 0.83 at 20 °C.
Appearanceneat
ColorGrayish-yellow, crystalline powder; white or sltlyreddish crystals, powder
Exposure LimitBecause it is a carcinogen and readilyabsorbed through skin, no TLV has beenassigned. Exposure should be at an absoluteminimum.Recognized Human Carcinogen (ACGIH);Human Carcinogen (MSHA); Carcinogen(O
Merck13,1077
BRN742770
pKa4.66(at 30℃)
Storage Condition2-8°C
StabilityStable. Combustible. Incompatible with strong oxidizing agents.
Refractive Index1.6266 (estimate)
Physical and Chemical PropertiesWhite or reddish crystalline powder. Melting point 125 ℃, boiling point 400 ℃,(98.7kPa), relative density 1.250(20/4 ℃), soluble in boiling ethanol, acetic acid and dilute hydrochloric acid, slightly soluble in ether, slightly soluble in boiling water, very slightly soluble in cold water. The color darkens in the air and light. Analytical reagents are usually benzidine hydrochloride or acetate with higher solubility, and sulfate is usually used in industry. Benzidine acetate is white or nearly white crystals, soluble in water, acetic acid and hydrochloric acid, and used as an indicator [36341-27-2]. benzidine hydrochloride [531-85-1]. Benzidine sulfate is a white crystalline powder or small scale-like crystal, soluble in ether, very slightly soluble in water, dilute acid and alcohol [21136-70-9].


Company Profile Introduction

Qingdao RENAS Polymer Material Co., Ltd. is located in E.T.D.Z of Qingdao China, it is one integrated company, devoted to environmental protection and low carbon energy, new materials introducing, research and development, which aims to offer the best quality products and service to the domestic and foreign markets. We maintain a good partnership with many word famous chemical manufacturers. Integrated of advanced products and technology of domestic and foreign manufacturers, we could customize the products matching scheme for various industries customers, and offer the comprehensive solution to customers. We have unique technology and product advantages, especial in the field of rubber additive, acrylic monomer, solvent, pharmaceutical intermediates and ink coating resin. We have a professional management, business and technical team, and have passed the ISO9001 system certification. We have passed the fast response ability and reliable product quality. With the mission of "steady development and dedication to China", we adhere to the business philosophy of "the interests of users are our most fundamental interests, and the needs of users are our needs". Through concept innovation, management innovation, technical innovation, market innovation, and product innovation, Strive to make the company an excellent supplier in the field of global chemical materials. We welcome friends all over the world to visit and negotiate with us. We sincerely hope to expand our trade and cooperation based on mutual benefits and realize the mutual prosperity and development.

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