DL-Histidine | C6H9N3O2 | CAS 4998-57-6

Product Name: DL-Histidine
CAS: 4998-57-6
MF: C6H9N3O2
MW: 155.15
EINECS: 225-660-9
Mol File: 4998-57-6.mol
Origin: China

product details

Property

Melting point: 273 °C

Boiling point: 278.95°C

Density: 1.3092

Refractive index: 1.6500

Storage temp.: Keep in dark place, Inert atmosphere, Room temperature

Solubility: 0.5 M HCl: soluble

Form: powder to crystal

Pka: 1.8(at 25℃)

Color: White to Almost white

Application

Histidine is a skin-conditioning amino acid.

DL-Histidine has been used to study the fouling behaviour of polyethersulfone ultrafiltration membranes made with different PVP (polyvinylpyrrolidone).

Package And Storage

Package:

25kg/carton drum or as your requirements.

Remark: Chemical composition and size can be optimized by the customers' requirements 固体16gs

Storage:

Separated from ammonium nitrate and potassium chlorate. Dry.Keep container tightly closed in a dry and well-ventilated place. Hygroscopic.

Safety Protection

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.