Sigma-Aldrich Tris(Hydroxymethyl)Aminomethane Tris Lab

Name: Sigma-Aldrich Tris(Hydroxymethyl)Aminomethane Tris Lab
SKU: SIAL-1083870500
Price: 114.88 USD

List Price $114.88 Your Price $114.88

Sigma-Aldrich Tris(Hydroxymethyl)Aminomethane Tris Lab; 500 g - SIAL (Additional S&H or Hazmat Fees May Apply)

NETA PART: SIAL-1083870500

MFG.PART: 1083870500

UNSPSC: 12352209

Manufacturer: Sigma-Aldrich

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Description

Product Name

Tris(hydroxymethyl)aminomethane, Tris LAB

vapor pressure

0.0267 hPa ( 20 °C)

Quality Level

100

form

solid

potency

>5000 mg/kg LD₅₀, oral (Rat)
>5000 mg/kg LD₅₀, skin (Rat)

pH

10.2-10.6 (20 °C, 6 g/L in H₂O)

useful pH range

7-9

pKa (25 °C)

8.1

bp

219-220 °C/10 mmHg (lit.)
219-220 °C/13.3 hPa

mp

167-172 °C (lit.)

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Related Categories

Tris

General description

Tris LAB

Application

Tris(hydroxymethyl)aminomethane Tris LAB. CAS 77-86-1, EC 201-064-4, chemical formula H₂NC(CH₂OH)₃.

Analysis Note

Assay (acidimetric, calc. on anhydrous substance)99.8 - 100.1 %Identity (IR-spectrum)conformsIn water insoluble matter≤ 0.005 %Absorbance (290 nm; 40 %; 1 cm; water)≤ 0.2Chloride (Cl)≤ 0.001 %Sulfate (SO₄)≤ 0.005 %Heavy metals (as Pb)≤ 0.0005 %Fe (Iron)≤ 0.0005 %Sulfated ash≤ 0.05 %Water (according to Karl Fischer)≤ 0.5 %

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c