Tris(hydroxymethyl)aminomethane

• Catalog No.: 154563
• CAS Number: 77-86-1
• M. F.: C4H11NO3
• M. W.: 121.13504
• Purity: ≥99.9%

SYNONYMS

• Title: 三(羟基甲基)氨基甲烷
• IUPAC name: 2-amino-2-(hydroxymethyl)propane-1,3-diol
• IUPAC Traditional name: tris buffer
• Synonyms: 氨基丁三醇; 2-Amino-2-(hydroxymethyl)-1,3-propanediol; Tris base; Trometamol; THAM; 2-氨基-2-(羟甲基)-1,3-丙二醇; Tris 碱

DATABASE IDS

• CAS Number: 77-86-1
• EC Number: 201-064-4
• Beilstein Number: 741883
• MDL Number: MFCD00004679

PROPERTIES

• Grade: ultrapure grade
• Linear Formula: NH2C(CH2OH)3
• Purity: ≥99.9%
• Useful pH Range: 7 - 9
• pKa: 8.1 (25°C)
• Boiling Point: 219-220 °C/10 mmHg(lit.)
• Melting Point: 167-172 °C(lit.)
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• European Hazard Symbols: Irritant (Xi)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• GHS Precautionary statements: P261-P305 + P351 + P338
• Risk Statements: 36/37/38
• RTECS: TY2900000
• Safety Statements: 26-36
• German water hazard class: 2

DETAILS

Description (English)

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
Buffer and primary pH standard. pKa=8.3 at 20°C.1 Auxiliary material in pharmaceutical science.2,3
Packaging
1 kg in poly bottle
5 g in glass bottle
100, 500 g in poly bottle
5 kg in poly drum

Description (简体中文)

Frequently Asked Questions
Live Chat and Frequently Asked Questions are available for this Product.
Application
缓冲剂和 pH 基准。20°C 时 pKa 为 8.3。1药用辅料。2,3
包装
1 kg in poly bottle
5 g in glass bottle
100, 500 g in poly bottle
5 kg in poly drum