Acidity regulators

Citric Acid Monohydrate

CAS No.:77-92-9
HS Code:29181400
Specification:BP/USP/E
Packing:25kg bag/drum/carton
Product description: Citric Acid Monohydrate
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Specification

Item	unit	Standard of Enterprise	BP98	USP24	E330	GB/T-8269-1998A-class test
Characters		Colourless Crystal or White Crystal Powder
Identification		Conforiming with the test
Clarity and Colourness		Conforiming with the test	Conforiming with the test	Conforiming with the test	Conforiming with the test	Conforiming with the test
Content	%	99.5-100.5	99.5-101.0	99.5-100.5	99.5-100.5	99.5-100.5
Water	%	7.50-8.80	7.5-9.0	≤8.8	7.5-9.0	7.5-8.80
Ba		Conforiming with the test				Conforiming with the test
Ca	ppm	≤10				≤200
Iron		≤1				≤10
As	ppm	≤1		≤3		≤1
Heavy metals	ppm	≤1	≤10	≤10	≤10	≤5
Oxalic acid salt	ppm	≤50	≤350	Conforiming with the test	≤360	≤100
Cl	ppm	≤5				≤50
SO4	ppm	≤20	≤150	Conforiming with the test	≤150	≤150
Lead	ppm	≤0.5
Al	ppm	≤0.2	≤0.2		≤0.2
Sulphuric acid ash content	%	≤0.03	≤0.1	≤0.05	≤0.1	≤0.1
RCS B.U.		1g+10ml (≤1.40B.U.)	Not beyond standard	Not beyond standard	Not beyond standard	Not beyond standard
Organic volatile impurities		Conforiming with the test		Conforiming with the test
Bacterial endotoxins	IU/mg		≤0.5		≤0.5

Details

Citric Acid Monohydrate

Citric Acid is a weak organic acid, and is triprotic acid. It is a natural preservative and is also used to add an acidic, or sour, taste to foods and soft drinks. In biochemistry, it is important as an intermediate in the citric acid cycle and therefore occurs in the metabolism of almost all living things. It also serves as an environmentally benign cleaning agent and acts as an antioxidant.

Application:

1. Widely used in all kinds of drinks, soft drinks, wine, candy, snacks, biscuits, canned fruit juices, dairy products, also can be used as a cooking oil antioxidants. Anhydrous citric acid used in solid drinks a lot.
2. Citric Acid is a good rock mixture, Can be used for testing the acid resistance of ceramic tile of architectural pottery reagents.
3. Citric acid and sodium citrate buffer used for flue gas desulfurization
4. Citric acid is a kind of fruit acid, can be used to accelerate the cutin renewal,commonly used in lotions, creams, shampoo, whitening, anti-aging products, acne products.

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