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Citric acid

CAS No.77-92-9
Chemical Name:Citric acid
Synonyms:1,2,3-Tricarboxy-2-hydroxypropane;2-hydroxypropanetricarboxylicacid;acidecitrique;Aciletten;Anhydrous citric acid;anhydrouscitricacid;beta-Hydroxytricarballylic acid;beta-hydroxytricarballylicacid;beta-hydroxy-tricarboxylicacid;Citiricacid;Citraclean;Citretten;citrfcacid,anhydrous;Citricacid(anhydrousform);Citro;Citronensαure;femanumber2306;-Hydroxypropanetricarboxylicacid;Kyselina 2-hydroxy-1,2,3-propantrikarbonova;Kyselina citronova
CBNumber:CB9854361
Molecular Formula:C6H8O7
Formula Weight:192.12
MOL File:77-92-9.mol
Citric acid Property
mp : 153-159 °C(lit.)
density : 1.542
FEMA : 2306
refractive index : 1.493~1.509
Fp : 100 °C
storage temp. : Store at RT.
solubility : H2O: 1 M at 20 °C, clear, colorless
form : grit
Water Solubility : 750 g/L (20 ºC)
Sensitive : Hygroscopic
Merck : 14,2326
BRN : 782061
Stability:: Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates.
CAS DataBase Reference: 77-92-9(CAS DataBase Reference)
NIST Chemistry Reference: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9)
EPA Substance Registry System: 1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9)
Safety
Hazard Codes : Xi,C
Risk Statements : 41-36/37/38-36/38-37/38-34
Safety Statements : 26-39-37/39-24/25-36/37/39-45-36
RIDADR : UN 1789 8/PG 3
WGK Germany : 1
RTECS : GE7350000
F : 9
Hazardous Substances Data: 77-92-9(Hazardous Substances Data)

Citric acid Chemical Properties,Usage,Production

Chemical Properties
White crystalline powder
General Description
Colorless, odorless crystals with an acid taste. Denser than water.
Air & Water Reactions
The pure material is moisture sensitive (undergoes slow hydrolysis) Water soluble.
Reactivity Profile
Citric acid reacts with oxidizing agents, bases, reducing agents and metal nitrates . Reactions with metal nitrates are potentially explosive. Heating to the point of decomposition causes emission of acrid smoke and fumes [Lewis].
Health Hazard
Inhalation of dust irritates nose and throat. Contact with eyes causes irritation.
Fire Hazard
Behavior in Fire: Melts and decomposes. The reaction is not hazardous.
Biological Activity
Commonly used laboratory reagent
Citric acid Preparation Products And Raw materials
Raw materials
Oxobutanedioic acid Calcium carbonate D(+)-Sucrose Hydrochloric acid Sodium hydroxide Starch Molasses Paste Sulfuric acid ketene
Preparation Products
Ammonium citrate dibasic TERT-BUTYL 4-(3-FORMYLBENZYL)TETRAHYDRO-1(2H)-PYRAZINECARBOXYLATE Acetyl tributyl citrate METHYL 3-((PIPERIDIN-4-YL)METHYL)BENZOATE N-isopropyl-2-(piperazin-1-yl)pyridin-3-amine 1-CYCLOPROPYLPIPERAZINE 4-((1-(TERT-BUTOXYCARBONYL)PIPERIDIN-4-YL)METHYL)BENZOIC ACID 1-N-Boc-3-hydroxyazetidine METHYL 4-((PIPERIDIN-4-YL)METHYL)BENZOATE 4,4'-Oxydianiline D-Glucosamine hydrochloride 2-((1-(TERT-BUTOXYCARBONYL)PIPERIDIN-4-YL)METHYL)BENZOIC ACID 2-FLUORO-5-HYDROXYBENZOIC ACID 5-FLUORO-4-HYDROXY-2-METHOXYBENZONITRILE Tripotassium citrate 1-Trityl-1H-imidazole-4-carboxylic acid N-Boc-S-Trityl-L-cysteine 2-(PIPERAZIN-1-YL)-ACETIC ACID N-(2-PHENYLETHYL)-AMIDE TERT-BUTYL-4-(3-HYDROXYPROPYL)PIPERAZINE-1-CARBOXYLATE 4-(4-Methoxyphenyl)butyric acid 3-((1-(TERT-BUTOXYCARBONYL)PIPERIDIN-4-YL)METHYL)BENZOIC ACID 3-N-Boc-Aminomethylpiperidine 4-(2-FORMYLPHENYL)PIPERAZINE-1-CARBOXYLIC ACID TERT-BUTYL ESTER Phosphatizing liquid Disodium stannous citrate Fentanyl citrate 6-BROMO-2H-1,4-BENZOXAZIN-3(4H)-ONE Zinc citrate Rifapentine TERT-BUTYL 4-(4-FORMYLBENZYL)PIPERAZINE-1-CARBOXYLATE Potassium citrate 2-FLUORO-5-METHOXYBENZOIC ACID Calcium citrate METHYL 2-((PIPERIDIN-4-YL)METHYL)BENZOATE 3-Amino-2-[4-butoxycarbonyl(piperazino)]pyridine 2-Hydroxy-1,2,3-propanetricarboxylic acid triammonium salt Itaconic anhydride 5-BROMO-2-FLUOROPYRIDINE-3-CARBALDEHYDE 2-Fluoropyridine-4-carboxaldehyde Trisodium citrate dihydrate
Citric acid Suppliers      Global( 147)Suppliers     
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J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833+86-10-82849933jkinfo@jkchemical.comCHINA 28845 70
A Meryer Chemical Technology Shanghai Company +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-62670790(Beijing)sh@meryer.com; sz@meryer.comCHINA 53775 56
Alfa Aesar 800-810-6000, 400-610-6006,800 810 6006(Bulk Inquiry)(010) 85678601saleschina@alfa-asia.comCHINA 24703 78
TAIYUAN RHF CO.,LTD. +86 351 7436719 +86 351 7436723+86 351 7436719sales@RHFChem.comCHINA 10873 50
TCI (Shanghai) Development Co., Ltd. 800-988-0390021-67121385sales@tcishanghai.com.cnCHINA 19501 75
Beijing dtftchem Technology Co., Ltd. 86(10)60275028 6027582086 (10) 60275028dtftchem@sina.comCHINA 4436 56
BeiJing Hwrk Chemicals Limted 010-67684718 020-31335234 021-51691807010-67684384 0757-86311057 021-55236763sales@hwrkchemical.comCHINA 11318 49
Energy Chemical 021-58432009/58433103/58432861021-58436166info@energy-chemical.comCHINA 33315 55
Beijing Ouhe Technology Co., Ltd +86-10-4006670928;+86-10-51280831;+86-10-82967028+86-10-51280832;+86-10-82967029sales@ouhechem.comCHINA 4069 56
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1,2,3-Tricarboxy-2-hydroxypropane 2-hydroxypropanetricarboxylicacid acidecitrique Aciletten Anhydrous citric acid anhydrouscitricacid beta-Hydroxytricarballylic acid beta-hydroxytricarballylicacid beta-hydroxy-tricarboxylicacid Citiricacid Citraclean Citretten citrfcacid,anhydrous Citricacid(anhydrousform) Citro Citronensαure femanumber2306 -Hydroxypropanetricarboxylicacid Kyselina 2-hydroxy-1,2,3-propantrikarbonova Kyselina citronova kyselina2-hydroxy-1,2,3-propantrikarbonova kyselinacitronova kyselinacitronova(czech) nsc30279 Solvents, Buffers and Reagents for Luminescence Proteomics and Protein Expression Protein Analysis Protein Electrophoresis CI - CL Alphabetic Luminescent Compounds/Detection Organic Building Blocks Capillary Electrophoresis Carboxylic Acids Carbonyl Compounds BioChemika Ultra C6 Capillary Zone Electrophoresis Chelators Analytical Standards Biochemicals and Reagents Building Blocks Analytical Chromatography Product Catalog BioChemical 77-92-9 AMMONIACAL AMMONIUM CHLORIDE BUFFER BETZ 6251 BETZ 0623 BORIC ACID-POTASSIUM CHLORIDE-SODIUM HYDROXIDE BUFFER BUFFER CONCENTRATE, PH 7.00 BUFFER CONCENTRATE, PH 8.00 BUFFER CONCENTRATE, PH 9.00 BUFFER CONCENTRATE, PHOSPHATE/SODIUM HYDROXIDE BUFFER CONCENTRATE, POTASSIUM CHLORIDE/SODIUM HYDROXIDE BUFFER CONCENTRATE, BORATE/HYDROCHLORIC ACID BUFFER CONCENTRATE, BORIC ACID/POTASSIUM CHLORIDE/SODIUM HYDROXIDE BUFFER CONCENTRATE, CITRATE/HYDROCHLORIC ACID BUFFER CONCENTRATE, CITRATE/SODIUM HYDROXIDE
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