Alginic Acid CAS 9005-32-7

Alginic Acid is a natural polysaccharide, usually white to light brown fibrous powder, insoluble in water but soluble in water.It is mainly used as food thickener (such as jelly, ice cream), pharmaceutical excipient (stomach acid neutralising agent) and medical dressing (haemostatic material), its high viscosity and biocompatibility are outstanding.It needs to be preserved against moisture and avoid contact with strong oxidising agents.

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Model:
9005-32-7
Brand:
Futurechemical
Code:
9005-32-7

Product Description

Alginic acid Basic information
Product Name:	Alginic acid
CAS:	9005-32-7
MF:	(C6H8O6)n
MW:	0
EINECS:	232-680-1
Mol File:	Mol File
Alginic acid Chemical Properties
Melting point	300 °C
storage temp.	Room Temperature
solubility	H2O: insoluble, but swells
form	Powder
color	White to pale yellow to beige
Odor	wh. to yel. fibrous powd., odorless, tasteless
optical activity	-141～-146
Water Solubility	Insoluble in water.
Sensitive	Hygroscopic
Merck	14,242
LogP	-3.203 (est)
CAS DataBase Reference	9005-32-7
EPA Substance Registry System	Alginic acid (9005-32-7)

ITEMS		RESULTS
		TEST RESULT	STANDARD
APPEARANCE		PALE YELLOWISH POWDER
BATCH NO.		H1402006
VISCOSITY (CPS)		40	≤50
ACID VALUE		280	≥230
LOSS ON DRYING(%)		10.2	≤15.0
PH		2.5	1.5~3.5
IGNITION RESIDUE(%)		4.0	≤4.0
SULPHATE ASH(%)		6.5	≤8.0
MOLYSITE (%)		CONFORM	≤0.05
CHLORIDE (%)		CONFORM	≤1.0
HEAVY METALS(AS Pb)		CONFORM	≤20ppm
ARSENIC		CONFORM	≤3ppm
Microbial test		CONFORM	100CFU/g Max.
	Total plate count
	E.Coli.	Negative	Negative
	Salmonella	Negative	Negative
CONCLUSION		GOODS ARE IN CONFIRMITY WITH BP2007/USP30

Alginic Acid CAS 9005-32-7 Food thickener and stabilizer Food gelling agent Food emulsifier Food nutritional supplement Textile printing and dyeing thickener Coating thickener Water treatment flocculant Cosmetic moisturizing and film-forming agent

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.