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Alginic acid

$ 1.00 /1KG

Min. Order1g
Purity99%
Cas No9005-32-7
Supply Ability100KG
Update time2019-07-06

career henan chemical co

career henan chemical co

7YR

China

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Chemical Properties

Product Name	Alginic acid
CAS No	9005-32-7
EC-No
Min. Order	1g
Purity	99%
Supply Ability	100KG
Release date	2019/07/06

Alginic acid Basic information

Product Name:	Alginic acid
Synonyms:	Mixed polymer of mannuronic and guluronic acid ;Nopgine;ALGINIC ACID FREE ACID FROM MACROCYSTIS PYRIFERA (K;ALGINIC ACID, FROM BROWN ALGAE;AlginicAcid,SodiumSalt,~99%;alginic acid from macrocystis pyrifera (kelp);ALGINICACID,FCC;ALGINICACID,NF
CAS:	9005-32-7
MF:	(C6H8O6)n
MW:	0
EINECS:	232-680-1
Product Categories:
Mol File:	Mol File

Alginic acid Chemical Properties

Melting point	300 °C
solubility	H₂O: insoluble, but swells
form	Powder
color	White to pale yellow to beige
Water Solubility	Insoluble in water.
Sensitive	Hygroscopic
Merck	14,242
EPA Substance Registry System	Alginic acid(9005-32-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	24/25-36-26
WGK Germany	2
RTECS	AZ5775000
F	3
TSCA	Yes
HS Code	39131000
Hazardous Substances Data	9005-32-7(Hazardous Substances Data)

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

Alginic acid Usage And Synthesis

Chemical Properties	white to pale yellow-beige powder
Uses	corrosive moisture sensitive
Uses	algin (alginic acid) is used in cosmetic formulations as a thickener, stabilizer, and gelling agent. It is obtained from different varieties of brown seaweed.
Safety Profile	Moderately toxic by intraperitoneal route. When heated to decomposition it emits acrid smoke and irritating fumes
Purification Methods	To 5g of acid in 550mL water containing 2.8g KHCO3 are added 0.3mL of acetic acid and 5g potassium acetate. EtOH is added to make the solution to 25% (v/v) in EtOH, and any insoluble material is discarded. Further addition of EtOH, to 37% (v/v), precipitated alginic acid. Collect the acid and dry it in vacuo. [Pal & Schubert J Am Chem Soc 84 4384 1962.]

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