Tris Base CAS 77-86-1 Purity ≥99.50% (Titration) Biological Buffer Molecular Biology Grade

Short Description:

Chemical Name: Tris Base

Synonyms: Tris(hydroxymethyl)aminomethane 

CAS: 77-86-1

Purity: ≥99.50% (Titration)

Appearance: White Crystalline Powder

Biological Buffers, Molecular Biology Grade 

Contact: Dr. Alvin Huang

Mobile/Wechat/WhatsApp: +86-15026746401

E-Mail: alvin@ruifuchem.com


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77-86-1 - Description:

Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of Tris Base (CAS: 77-86-1) with high quality, commercial production. Ruifu can supply a series of biological buffers, can provide worldwide delivery, small and bulk quantities available. Welcomed to order. Please contact: alvin@ruifuchem.com 

77-86-1 - Chemical Properties:

Chemical Name Tris Base
Synonyms Tris(hydroxymethyl)aminomethane; Trometamol; Trimethylolaminomethane; 2-Amino-2-(Hydroxymethyl)-1,3-Propanediol; THAM; Trizma Base
CAS Number 77-86-1
Stock Status In Stock, Production Capacity 1000 Tons per Year
Molecular Formula C4H11NO3
Molecular Weight 121.14  
Melting Point 167.0~172.0℃
Boiling Point 219.0~220.0℃/10 mm Hg(lit.)
Density   1.353 g/cm3
Store Under Inert Gas Store Under Inert Gas
Sensitive Hygroscopic
Solubility in Water Soluble in Water, 550 g/l 25℃
Solubility Insoluble in Chloroform, Ether
pKa 8.1 (at 25℃)
Stability Stable. Incompatible with Bases, Strong Oxidizing Agents. Protect From Moisture
COA & MSDS Available
Origin China
Product Categories Biological Buffers
Brand Ruifu Chemical

77-86-1 - Specifications:

Item Specifications Results
Appearance White Crystalline Powder White Crystalline Powder
Purity ≥99.50% (Titration) 99.85%
Melting Point 168.0~171.0℃ 168.4~170.8℃
Solubility  Clear, Colorless Solution (40% aq.) Conforms  
Water Content (K.F) ≤0.20% 0.07% 
Insolubles Matter ≤0.005% 0.0045% 
Sulphated Ash ≤0.05% 0.0039%
pH  10.0~11.5 (10% aq.) 10.48 
Heavy Metals (as Pb) ≤5ppm 3ppm
Iron (Fe) ≤5ppm 1ppm 
Sulfate (SO42-)  ≤10ppm 3ppm 
Chloride (Cl) ≤3ppm 2ppm 
Arsenic (As) ≤1ppm <1ppm 
Ultraviolet Absorbance 260nm <0.07 (20% aq.)  0.050
Ultraviolet Absorbance 280nm <0.07 (40% aq.)  0.069
Ultraviolet Absorbance 400nm <0.02 (40% aq.)  0.019
DNase, RNase, Protease Not Detected Not Detected
Infrared Spectrum  Conforms to Structure Conforms  
Test Standard Enterprise Standard Conforms   

77-86-1 - Package/Storage/Shipping:

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement.
Storage Condition: Keep the container tightly closed and store in a cool, dry and well-ventilated warehouse away from incompatible substances. Protect from light and moisture. Keep away from fire and heat source.
Shipping: Deliver to worldwide by air, by sea, by FedEx / DHL Express. Provide fast and reliable delivery. 

77-86-1 - Advantages:

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77-86-1 - FAQ:

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77-86-1 - Risk and Safety:

Hazard Symbols Xi - Irritant
Risk Codes
36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description
S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36 - Wear suitable protective clothing.
S37/39 - Wear suitable gloves and eye/face protection
S24/25 - Avoid contact with skin and eyes.
S23 - Do not breathe vapour.
WGK Germany 2
RTECS TY2900000
FLUKA BRAND F CODES 3
TSCA Yes
HS Code 2922199090
Hazard Class IRRITANT

77-86-1 - Application:

Tris Base (CAS: 77-86-1), or Tris(hydroxymethyl)aminomethane, or known during medical use as Trometamol or THAM. It is extensively used  as a zwitterionic biological buffer in biochemistry and molecular biology research, and enzymatic research. Tris base is widely used as a biological buffer or as a component of buffer formulations such as TAE and TBE buffers. Tris has a pKa of 8.06 and is very useful in the biology and biochemistry lab because it has buffering capabilities in the range of the typical physiological pH of most living organisms (pH 7.0~9.0). Tris has been reported to interfere with the activity of a number of enzymes, it should therefore be used carefully when studying proteins. Tris buffer, only nucleic acids and proteins are widely used as solvents.  Tris is used for protein crystal growth under different pH conditions. Tris buffer having a low ionic strength can be used nematode (C. elegans) is formed lamin (lamin) intermediate fibers. Tris is a major component of protein electrophoresis buffer. Tris for the preparation of a surfactant, a vulcanization accelerator, and some drug intermediates.

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