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TRIS

CAS NO.： 77-86-1

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Product Detail

Properties

TRIS

English name: TRIS

CAS number: 77-86-1

Molecular formula: C4H11NO3

Molecular weight: 121.14

Melting point: 167-172°C

Boiling point: 219-220°C10mm Hg

Density: 1,353 g/cm3

Vapor pressure: 0.0267 hPa (20°C)

Refractive index: 1.4170

Flash point: 219-220°C/10mm

Storage conditions: 2-8°C

Solubility: H2O: 4Mat20°C, colorless

Form: transparent

Color: white

PH value: 10.5-12.0 (4m deep, 25°C)

Discoloration of acid-base indicator pH range: 7-9

Acidity coefficient (pKa): 8.1(at 25℃)

Water solubility: 550 g/L (25 ºC)

Maximum wavelength (λmax)

λ: 260 nm Amax: 0.10

λ: 280 nm Amax: 0.08

Sensitivity: hygroscopic

Properties

Trimethylol aminomethane is an organic compound, its molecular formula is (HOCH2)3CNH2. It is widely used in the preparation of buffer in biochemistry and molecular biology experiments. For example, TAE and tbe buffer (used for nucleic acid dissolution) are commonly used in biochemical experiments. Because it contains amino groups, it can react with aldehydes. It is also pharmaceutical raw material, acid-base balance regulator.

CAS No.

77-86-1

Formula

C4H11NO3

Molecular Mass

121.13500

Exact Mass

121.07400

PSA

86.71000

Logp

-1.63890

IUPAC

2-amino-2-(hydroxymethyl)propane-1,3-diol

Matter Classification

organic

Category

Melting Point

167-172 °C

Density

1.353 g/cm3

Boiling Point

219-220 °C

Flash Point

219-220°C

Appearance

White crystalline powder

Acidity and Basicity

alkalinity, reducibility

HS Code

29221990

Risk Code

R36/37/38

Safety Label

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