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Changzhou Welton Chemical Co., Ltd.

Main products: Biological Buffers ,Mops Buffer ,Pharmaceutical Intermediates

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White Crystalline Chemical Intermediates Tris Hydroxymethyl Aminomethane [ TRIS ]

Update time：2022-02-05 21:40:56
Price:Negotiable
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Basic Info

Brand NameChangzhou Welton Chemical Co., LtdPlace of OriginChina

Product Description


Product Description




Delivery Time:As per customer’s requirement
Certification:ISO9001, ISO14001

?Chemical Intermediates Tris Hydroxymethyl aminomethane [ TRIS ] , CAS NO. 77-86-1
Specifications:














Test
?

Specification

Appearance

White?crystalline
?

Melting?point

168-172℃
?

Assay?(By?Titration?0.1N?HCL/Dried?basis)

99.5-101.0%

Moisture(By?Karl?Fischer)

≤0.3%
?

PH?(1?in?20?)

10.0-11.5
?

Solubility?(40%?aqueous)

Clear,?colorless?solution
?

Ultraviolet?Absorbance
(40%?aqueous)

A(290)??≤0.02?Abs?unit
?

Ignition?residue

≤0.1%
?

Insoluble?Matter?in?water

≤0.005%
?

Fe

≤2ppm
?

Heavy?metal

≤5ppm
?

Chloride

≤10ppm
?

?
?
Description:
?



Tris(hydroxymethyl)aminomethane?[TRIS]

CAS?No.:?77-86-1??
EINECS?No.:?201-064-4
Molecular?Formula:?C4H11NO3
Molecular?Weight:?121.1
?
Structure:
Synonyms:
2-Amino-2-(hydroxymethyl)-1,3-propanediol;?Tromethamine;?Tromethane;?THAM;
TRIS,?Trometamol,?ATX?TRIS?BUFFER;??BUFFER?TRIS;TRIS?BASE;THAM;?TRISAMINE
Appearance:?White?Crystalline?
Assay:?99.5%?
Melting?Point:?168-172°C?
Moisture:?≤0.3%?
Absorbency(290nm):?≤0.2?

?
?
Applications:
?
TRIS?has?a?pKa?of?8.07?at?25?°C,?which?implies?that?the?buffer?has?an?effective?pH?range?between?7.07?
and?9.07.?It?can?be?used?as?acidic?gas?absorption?agent;?Titration?acid?quantity/?material;?Current?titration?
in?the?determination?of?protein?sulfhydryl?group;?Paper?serum?protein?electrophoresis?separation?and?
Starch?electrophoresis?separation?of?toxins.?It?also?can?be?used?to?make?surfactants?synthesis,?
pharmaceutical?intermediates,?chemical?intermediates,?organic?synthesize?intermediates.?
?
?
Competitive?Advantage:
?

1.?We?are?the?largest?manufacturer?of?TRIS?buffer?in?China?with?more?than?12?years?of?production?and?

export?history.

2.?Based?on?our?years?of?experience?in?this?field,?we?take?pleasure?in?bringing?you?our?high?quality?and

?consistency?products?with?very?competitive?price,?prompt?delivery,?and?very?quick?response?service.

3.?Our?company?has?the?self-support?export?and?import?authority?and?our?factory?is?inspected?by?our

?valuable?and?honored?customers.



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