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Carbomer 940 Can be used for?

Product Name: Carbomer 940

CAS: 9003-01-4

Assay: 99% min

MF: C3H4O2

MW: N/A

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  • Specifications

Carbomer 940, also called CarbCarbopol, also called Carbomer or Carboxypoly-methylene is a generic name for synthetic high molecular weight polymers of acrylic acid used as thickening, dispersing, suspending and emulsifying agents in pharmaceuticals and cosmetics. 

They may be homopolymers of acrylic acid, crosslinked with an allyl ether pentaerythritol, allyl ether of sucrose or allyl ether of propylene. Carbomers are found in the market as white and fluffy powders. They have the ability to absorb, retain water and swell to many times their original volume. Carbomers codes (910, 934, 940, 941 and 934P) are an indication of molecular weight and the specific components of the polymer

Specification of Carbomer 940

Name
Carbomer 940
Appearance
White Powder
Purity
99.9%
CAS
9003-01-4
Solvent
Dichloromethane
PH Value
2.7~3.5
Viscosity
40000-60000
Carboxylic acid groups
56~68%
Loss on drying
≤2.0%
Shelf Life
24 Months

Application of Carbomer 940

Carbomer is used for topical formulations and suitable for preparation of gels, creams and coupling agent. Carbomer and cross-linked acrylic resin as well as series products of these cross-linked polyacrylic acid are widely used at present and are often used in topical lotion, cream and gel. In a neutral environment, Carbomer system is an excellent gel matrix with crystal appearance and nice sense of touch, so Carbomer is suitable for preparation of cream or gel.

Product Name Carbomer 940 Other Name Carbopol
Purity 98%min by HPLC CAS No. 54182-57-9
Appearance White  powder M.W. C3H4O2
MOQ 1kg M.F. N/A
Loss on drying <3.0% Standard Factory Standard

Item

Specification

Result

Appearance

 White  powder

Complies

Related substance (HPLC)

Total impurity ≤0.5%

Max single impurity ≤0.1%

0.2%

0.06%

Odor

Characteristic

Complies

Assay

98%

98.22%

Sieve analysis

100% pass 80 mesh

Complies

Heavy Metal

<10ppm

Complies

As

<0.1ppm

0.05ppm

Pb

<0.1ppm

0.05ppm

Cd

<0.1ppm

0.05ppm

Residual Solvents

<100ppm

Complies

Residual Pesticide

Negative

Complies

Total Plate Count

<1000cfu/g

Complies

Yeast & Mold

<100cfu/g

Complies

E.Coli

Negative

Complies

Salmonella

Negative

Complies

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