Tris(hydroxymethyl)aminomethane (TRIS) (77-86-1)
Basic Information
1. Chemical Name: Tris(hydroxymethyl)aminomethane
2. Chinese Aliases: Amino-Butanetriol; TRIS Buffer
3. English Name: Tris(hydroxymethyl)aminomethane; TRIS
4. Molecular Formula: C4H11NO3
5. Molecular Weight: 121.14
6. CAS Number: 77-86-1
7. EINECS Number: 201-064-4
8. Appearance: White crystalline powder, odorless, easily soluble in water, slightly soluble in alcohol, insoluble in ether and benzene
Technical Specifications
1. Content (dry basis): ≥99.0%
2. pH (1 mol/L aqueous solution): 10.0–11.5
3. Melting Point: 168–172°C
4. Loss on Drying: ≤0.5%
5. Heavy Metals (as Pb): ≤10 ppm
6. Chloride (Cl⁻): ≤0.01%
7. Absorbance (1 mol/L, 260 nm, aqueous solution): ≤0.03
(The above values are for reference only, the actual data is subject to the factory test report.)
Packaging Options
1. 25 kg composite woven bag lined with PE plastic bag
2. Or 25 kg drum (small packaging can be customized according to customer needs)