BIS-TRIS

BIS-TRIS Molecular Biology

2,2-Bis(hydroxymethyl)-2,2',2-nitrilotriethanol, 2-Bis(2-hydroxyethyl)amino-2-(hydroxymethyl)-1,3-propanediol; Bis(2-hydroxyethyl)amino-tris(hydroxymethyl)methane

Article No.

02186

Grade

Molecular Biology

Purity

99%

CAS No.

6976-37-0

Molecular Formula

C₈H₁₉NO₅

Molecular Weight

209.2

H.S. Code

2922.1990

Shelf Life

60 Months

MSDS

Certificate of Analysis (COAs)

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

9.5 - 11

Melting point/ Freezing point [°C]

102 - 103 °C

Solubility in water [% weight]

209.2 g/l at 20 °C

Description	White crystalline powder
Assay (by HClO4 titration)	Min 99%
Insoluble matter	Passes filter test
Residue on ignition	Max 0.3%
Loss on drying (at 20°; vacuum)	Max 0.5%
Solubility (1 M in water)	Complete, colorless
pH (2% solution in water)	9.4 - 9.8
UV absorbance (at 280 nm; 10%; 1 cm; in water)	Max 0.1
Chloride (Cl)	Max 0.005%
Sulphate (SO4)	Max 0.01%
Iron (Fe)	Max 0.001%
Lead (Pb)	Max 0.001%

Symbol: GHS07
Signal Word: Warning
Hazardous Statement: H315-H319-H335
Precaution Statement: P261-P305 + P351 + P338

Revision Date : 10-Aug-2022