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Citric Acid Monohydrate CAS 5949-29-1 Citric Acid Anhydrous CAS 77-92-9

Citric Acid Monohydrate CAS 5949-29-1 Citric Acid Anhydrous CAS 77-92-9

Citric Acid Monohydrate CAS 5949-29-1 Citric Acid Anhydrous CAS 77-92-9 Keywords: Citric Acid Monohydrate, Citric Acid Anhydrous, Citric Acid. Description and usage: Citric Acid Monohydrate and Citric Acid Anhydrous are mainly used as acidulant, flavoring agent, preservative and antistaling...

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Citric Acid Monohydrate CAS 5949-29-1 Citric Acid Anhydrous CAS 77-92-9

Citric Acid Monohydrate, Citric Acid Anhydrous.png

Product Name:

Citric Acid Monohydrate

Citric Acid Anhydrous

Synonyms:

Citric Acid 1H2O

C6H8O7.H2O

HOC(COOH)(CH2COOH)2·H2O

Citric Acid Anhydrate
 Anhydrous Citric Acid

Characteristics:

Colorless to White Crystals or crystalline powder

Colorless to White Crystals or crystalline powder

CAS Number:

5949-29-1

77-92-9

Formula:

C6H10O8

C6H8O7(anhydrous)  
     CH2COOH-C(OH)COOH-CH2COOH

Structure:

Citric Acid Monohydrate, Citric Acid Anhydrous formula.png

Citric Acid Monohydrate, Citric Acid Anhydrous structure.png

Package:

25Kgs/Bag

25Kgs/Bag

Keywords: Citric Acid Monohydrate, Citric Acid Anhydrous, Citric Acid, Anhydrous Citric Acid Powder Raw Material, API

Description and usage:
 Citric Acid Monohydrate and Citric Acid Anhydrous are mainly used as acidulant, flavoring agent, preservative and antistaling agent in food and beverage industry.
 Citric Acid Monohydrate and Citric Acid Anhydrous are also used as antioxidant, plasticizer and detergent in chemical, cosmetics and cleaning industries.
 Citric Acid is a key intermediate in metabolism. It is an acid found in citrus fruits. The salts of citric acid (citrates) can be used as anticoagulants due to their calcium chelating ability.
 Anhydrous citric acid is a Calculi Dissolution Agent and Anti-coagulant.

The mechanism of action of anhydrous citric acid is as an Acidifying Activity and Calcium Chelating Activity. The physiologic effect of anhydrous citric acid is by means of Decreased Coagulation Factor Activity.

In pharmaceutical area, Citric Acid Monohydrate and Citric Acid Anhydrous are used as excipients in pharmaceutical preparations. It maintains stability of active ingredients and is used as a preservative. Citric Acid Monohydrate and Citric Acid Anhydrous are also used as an acidulant to control pH and acts as an anticoagulant by chelating calcium in blood.

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General information

Citric acid 99% Powder is a naturally occurring fruit acid. Nowadays, both Citric Acid Anhydrous and Citric Acid Monohydrate are produced commercially by microbial fermentation of a carbohydrate substrate. Anhydrous Citric acid is the most widely utilized organic acid and pH-control agent in foods, beverages, pharmaceuticals and technical applications.

Citric acid monohydrate is a colorless crystals or as white, crystalline powder with a strongly acidic taste. Solubility property: It is efflorescent in dry air, very soluble in water, freely soluble in ethanol (96 %) and sparingly soluble in ether.

Citric acid monohydrate is non-toxic with a very low reactivity. It is chemically stable if stored at ambient temperatures. Citric acid monohydrate is fully biodegradable and can be disposed of with regular waste or sewage.

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Properties-- Citric acid monohydrate

Citric acid monohydrate Strongly acidic (pH in a 5 % solution approx. 1.8)

Main functions: Citric acid monohydrate 99% powder raw material can be pH adjuster, Flavour enhancer, Antioxidant, Acidifier, Chelating agent

Buffering agent, Retarder

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Other names of Citric Acid Monohydrate:

2-Hydroxy-1,2,3,propane-tricarboxylic acid monohydrate;

Hydrous citric acid; 2-Hydroxytricarballylic acid monohydrate; Citric acid hydrate; Citric acid monohydrate; Acidum citricum monohydricum

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Indexes of Citric Acid Monohydrate:


     Testing Item

Standard

Result

Description
     Citric Acid Monohydrate

Colorless to White Crystals

Pass

Identification
     Citric Acid Monohydrate

Pass the tests

Complies

Clarity & Color Solution

20% water solution: Clear

Clear

Moisture

≤8.9%

8.7%

Sulphated Ash

≤0.05%

0.01%

Light Transmittance

97.0% Min

99.5%

Sulphate  

≤200ppm

<20ppm

Chloride  

≤5ppm

<5ppm

Calcium

≤20ppm

<20ppm

Heavy Metal

≤1ppm

<1ppm

Oxalate

≤20ppm

<20ppm

Readily Carbonisable Substances

≤1

0.25

Aluminum  

≤0.2ppm

≤ 0.1ppm

Asenic

≤1ppm

≤ 0.5ppm

Mercury  

≤0.1ppm

< 0.1ppm

Lead  

≤0.5ppm

< 0.5ppm

Bacteria Endotoxin  

≤0.5IU/mg

< 0.5IU/mg

Tridodecylamine

≤0.1ppm

< 0.1ppm

APHA (50%W/W)

≤25

11

Particle Size

Pass the test

Pass

Assay  
Citric Acid Monohydrate

99.5% ~100.5%

99.77%

Our Citric Acid Monohydrate Comply with BP2016, USP39, FCC9, EP8.0, GB1886.235-2016 Standard.

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Citric Acid Anhydrous 99% powder is produced by a submerged fermentation process from a glucose and/or sucrose carbohydrate substrate. Fengchen Group’s Citric Acid anhydrous 99.5% powder is produced in accordance with current Good Manufacturing Practices (GMP) under a comprehensive HACCP (Hazard Analysis and Critical Control Points) program.

Citric Acid anhydrous 99.5% is considered Safe for use without restriction in most countries in the world.

Fengchen Group Co., Ltd’s Anhydrous Citric Acid is strictly produced to meet the monograph specifications of major world codex and pharmacopoeia standards including the USP, FCC, BP, EP, DAB regulations.

Physical property: Citric Acid is available as translucent white crystals. Citric Acid has a tart acidic taste, is slightly hydroscopic, with melting point 153°C (307°F).

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Particle Size Distribution:

1. Citric Acid Anhydrous Granular:

(1)Max. 1% on U.S. No. 16 sieve

(2)Max. 10% through U.S. No. 50 sieve

2. Citric Acid Anhydrous Fine Granular

(1)Max. 1% on U.S. No. 30 sieve

(2)Max. 5% through U.S. No. 100 sieve

3. Citric Acid Anhydrous Powder

(1)Max. 5% on U.S. No. 60 sieve

(2)Min. 25% through U.S. No. 200 sieve

4. Citric Acid Anhydrous Bulk Densities (lbs/ft3)

Granular 56lbs/ft3

Fine Granular 54

lbs/ft3

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Indexes of Citric Acid Anhydrous:


Testing Item

Standard

Result

Description
Citric Acid Anhydrous

White Crystals

Pass

Identification
Citric Acid Anhydrous

Should comply

Complies

Clarity & Color Solution

Clear

Clear

Sulphate  

≤150ppm

<10ppm

Oxalate

≤100ppm

<30ppm

Heavy Metal (as Pb)

≤5ppm

<3ppm

Barium  

Pass

Pass

Calcium

≤200ppm

<30ppm

Iron  

≤50ppm

<10ppm

Chloride  

≤50ppm

<12ppm

Sulphated Ash

≤0.1%

0.028%

Water

≤1.0%

0.1266%

Readily Carbonisable Substances

Should Comply

Pass Test

Lead  

≤1ppm

≤0.5ppm

As

≤1ppm

≤0.5ppm

Mercury  

≤1ppm

≤0.5ppm

Aluminum  

≤0.2ppm

≤0.1ppm

Bacteria Endotoxin  

≤0.5IU

≤0.5IU

Assay  Citric Acid Anhydrous

99.5% ~ 101.0%

99.76%


Quality Standards of Citric Acid Anhydrous

 

Item

Unit

BP

USP

FCC

E 330

GB 1886.235-2016

Characters

/

White Crystalline Powders,Colorless Crystals or   Granules.Odorless, has a strongly acid taste.

Identification

/

Pass Test

Color & Clarity of Solution

/

Pass Test

Pass Test

/

/

/

Assay

%

99.5-100.5

99.5-100.5

99.5-100.5

≥99.5%

99.5-100.5

Water

%

≤1.0

≤1.0

≤0.5

≤0.5

≤0.5

Readily Carbonisable Substances

/

Not Darker than Standard

Not Darker than Standard

A≤0.52T≥30%

Not Darker than Standard

≤1.0

Sulphated Ash

%

≤0.1

≤0.1

≤0.05

≤0.05

≤0.05

Chloride

ppm

/

/

/

/

≤50

Sulphate

ppm

≤150

≤150

/

/

≤100

Oxalate

ppm

≤360

≤360

Pass Test

≤100

≤100

Calcium

ppm

/

/

/

/

≤200

Arsenic

ppm

/

/

/

≤1

≤1

Lead

ppm

/

/

≤0.5

≤0.5

≤0.5

Aluminum

ppm

≤0.2

≤0.2

/

/

/

Mercury

ppm

/

/

/

≤1

/

Heavy Metals

ppm

≤10

≤10

/

/

/

Bacterial Endotoxins

IU/mg

<0.5

Pass Test

/

/

/

 


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-Role or usage of Citric Acid Anhydrous in Food Industry

Due to its low cost, Citric Acid Anhydrous 99.5% Min powder is widely utilized in the food production procedures as an additive. Citric Acid Anhydrous 99.5% Min powder is proven to be safe to consume by all major government food regulatory bodies. When added to finished food products or beverages, Anhydrous Citric Acid will make a sharp, sour taste which increases appetite and enhances flavor. Many foods and beverage manufacturers use Citric Acid Anhydrous to provide their food products, such as sweets and soft drinks, with authentic “fruity” flavor. Citric Acid Anhydrous is most prevalent in sour candies and gummy bears in the form of a fine white powder. It is also common to see Citric Acid Anhydrous used to alter taste of foods and pharmaceutical medicines, especially the medicines which will be easy for the kids to take.

Besides its use as an additive, citric acid anhydrous can also be applied as food preservative. With an increased acidity, it will no longer a paradise for the bacteria in the food. Thus, the shelf life of food and drinks will be extended. Citric Acid Anhydrous also contribute to preserve flavor and maintains pH at a suitable level to prevent food degradation, especially in canned food.

 

-In Skin Care Products and Detergents

Citric Acid Anhydrous 99.5% Min powder is also commonly found in various natural skin products. Citric Acid Anhydrous will also help to adjust the pH of creams, lotions and gels to coincide with our natural skin pH level. When applied to the skin, Citric Acid Anhydrous functions as an antioxidant, which will slow our aging. Citric Acid Anhydrous 99.5% Min powder will also exfoliate the skin by removing dead skin cells from the top layer of the skin. Therefore, the new cell  growth will be promoted. Moreover, Citric Acid Anhydrous rarely causes an allergic reaction. It is very suitable for most skin types of human being. In detergents, shampoos and soap, Citric Acid Anhydrous is also widely applied to help foam forming. Citric Acid Anhydrous 99.5% Min powder also increases the efficiency of these products because it will contribute to dissolve stains more quickly. Compared with other relative acids, Citric Acid Anhydrous 99.5% Min powder is more usually chosen by most manufactures because it is relatively environmental friendly, biodegradable and harmless.

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If you are looking for the citric acid monohydrate cas 5949-29-1 citric acid anhydrous cas 77-92-9, welcome to contact us. We are one of the leading and professional China manufacturers and suppliers in this field. Competitive price and good after-sale service are available.
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