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Citric acid

Product name :Citric acid
CAS NO.:77-92-9
H.S.Code:2918140000
MF:C₆H₈O₇
EINECS No.:201-069-1
Appearance:white powder

Technical Parameters

CITRIC ACID Monohydrate
NO. ITEM BP2011 E330 USP34 FCC7 Result
1 CHARACTERISTICS COLORLESS OR WHITE CRYSTAL
2 IDENTIFICATION PASS THE TEST
3 LIGHT TRANSMITTANCE / / / / ≥96.5%
4 CLARITY&COLOUR OF SOLUTION PASS TEST / PASS TEST / PASS TEST
5 ASSAY 99.5-100.5% ≥99.50% 99.5-100.5% 99.5-100.5% 99.90%
6 WATER 7.5-9.0% ≤8.8% 7.5-9.0% ≤8.8% 8.60%
7 SULPHATED ASH ≤0.1% ≤0.05% ≤0.1% ≤0.05% ≤0.05%
8 SULPHATE ≤150ppm / ≤150ppm / ≤30ppm
9 OXALATE ≤360ppm ≤100ppm ≤360ppm NO TURBIDITY FORMS ≤20ppm
10 CALCIUM / / / / ≤20ppm
11 HEAVY METALS ≤10ppm ≤5ppm ≤10ppm / ≤1ppm
12 IRON / / / / ≤1ppm
13 CHLORIDE / / / / ≤5ppm
14 READILY CARBURETED SUBSTANCES NOT EXCEEDING THE STANDARD NOT EXCEEDING THE STANDARD NOT EXCEEDING THE STANDARD A≤0.52 T%≥30 K≤1.0
15 BACTERIAL ENDOTOXINS ≤0.5IU/mg / PASS TEST / ≤0.5IU/mg
16 ALUMINIUM ≤0.2ppm / ≤0.2ppm / ≤0.2ppm
17 ARSENIC / ≤1ppm / / ≤1ppm
18 MERCURY / ≤1ppm / / ≤0.1ppm
19 LEAD / ≤1ppm / ≤0.5ppm ≤0.5ppm
20 TRIDODECYLAMINE / / / ≤0.1ppm ≤0.1ppm
21 POLYCYCLIC AROMATIC HYDROCARBONS(PAH) / / / / ≤0.05 (260-350nm)
22 ISOCITRIC ACID / / / / PASS TEST
23 WATER INSOLUBLE SUBSTANCES   / / / FILTRATION TIME NOT TMORE THAN 1MIN;FILTER MEMBRANCE DOESN’T BASCIALLY CHANGE COLOR VISUAL MOTTLED PARTICLES NOT MORE THAN 3

 

CITRIC ACID ANHYDROUS
NO. ITEM BP2011 E330 USP34 FCC7 TTCA ENTERPRISE SPEC
1 CHARACTERISTICS COLORLESS OR WHITE CRYSTAL
2 IDENTIFICATION PASS THE TEST
3 LIGHT TRANSMITTANCE / / / / ≥98%
4 CLARITY&COLOUR OF SOLUTION PASS TEST / PASS TEST / PASS TEST
5 ASSAY 99.5-100.5% ≥99.50% 99.5-100.5% 99.5-100.5% 99.89%
6 WATER ≤1.0% ≤0.5% ≤0.1% ≤0.5% 0.09%
7 SULPHATED ASH ≤0.1% ≤0.05% ≤0.1% ≤0.05% ≤0.05%
8 SULPHATE ≤150ppm / ≤150ppm / ≤30ppm
9 OXALATE ≤360ppm ≤100ppm ≤360ppm NO TURBIDITY FORMS ≤20ppm
10 CALCIUM / / / / ≤20ppm
11 HEAVY METALS ≤10ppm ≤5ppm ≤10ppm / ≤1ppm
12 IRON / / / / ≤1ppm
13 CHLORIDE / / / / ≤5ppm
14 READILY CARBURETED SUBSTANCES NOT EXCEEDING THE STANDARD NOT EXCEEDING THE STANDARD NOT EXCEEDING THE STANDARD A≤0.52 T%≥30 K≤1.0
15 BACTERIAL ENDOTOXINS ≤0.5IU/mg / PASS TEST / ≤0.5IU/mg
16 ALUMINIUM ≤0.2ppm / ≤0.2ppm / ≤0.2ppm
17 ARSENIC / ≤1ppm / / ≤1ppm
18 MERCURY / ≤1ppm / / ≤0.1ppm
19 LEAD / ≤1ppm / ≤0.5ppm ≤0.5ppm
20 TRIDODECYLAMINE / / / ≤0.1ppm ≤0.1ppm
21 POLYCYCLIC AROMATIC HYDROCARBONS(PAH) / / / / ≤0.05 (260-350nm)
22 ISOCITRIC ACID / / / / PASS TEST
23 WATER INSOLUBLE SUBSTANCES   / / / FILTRATION TIME NOT TMORE THAN 1MIN;FILTER MEMBRANCE DOESN’T BASCIALLY CHANGE COLOR VISUAL MOTTLED PARTICLES NOT MORE THAN 3

Process Flow Chart