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C0759

Citric acid

99%, crystals

동의어(들):

2-Hydroxy-1,2,3-propanetricarboxylic acid, 2-Hydroxypropan-1,2,3-tricarboxylic acid

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제품정보 (DICE 배송 시 비용 별도)

Linear Formula:
HOC(COOH)(CH2COOH)2
CAS 번호:
77-92-9
Molecular Weight:
192.12
NACRES:
NA.21
PubChem Substance ID:
329774820
eCl@ss:
39021801
UNSPSC Code:
12352100
EC Number:
201-069-1
MDL number:
MFCD00011669
Beilstein/REAXYS Number:
782061
Assay:
99%
Concentration:
≤100%
Form:
crystals
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제품 이름

Citric acid, 99%

vapor pressure

≤ 0.1 hPa ( at 25 °C)

Quality Level

200

assay

99%

form

crystals

expl. lim.

8 %, 65 °F

concentration

≤100%

pH

ca.1,7-at 100 g/l-at 20 °C

pKa (25 °C)

(1) 3.13, (2) 4.76, (3) 6.40

pKa 

(1) 3.13, (2) 4.76, (3) 6.4

bp

200 °C/at 1.013 hPa (decomposition)

mp

153-159 °C (lit.)

solubility

water: soluble 383 g/L at 25 °C

density

1,67 g/cm3 at at 20 °C

functional group

carboxylic acid, hydroxyl

SMILES string

OC(=O)CC(O)(CC(O)=O)C(O)=O

InChI

1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)

InChI key

KRKNYBCHXYNGOX-UHFFFAOYSA-N

General description

Citric acid is a natural component widely usedin many industrial applications such as chelation, buffering, pH adjustment,and derivatization. It can also be used as a reagent in condensation, acidcatalysis, cycloaddition, deprotection, and decarboxylation reactions.

Application

Citric acid can be used as a reactant to synthesize:
  • Trialkyl citrates via sulfuric acid-catalyzed esterification with aliphatic alcohols C2-C5.
  • Biodegradable thermoset polymer via catalyst-free polycondensation reaction.
It can also be used as a catalyst to synthesize amido alkyl naphthols by reacting 2-naphthols, aldehydes, and amides/ureas.

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pictograms

Exclamation mark
GHS07

signalword

Warning

hcodes

H319,H335

Hazard Classifications

Eye Irrit. 2 - STOT SE 3

target_organs

Respiratory system

저장 등급

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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시험 성적서(COA)

Lot/Batch Number
118K0125
098K0101
018K0741
018K0742
096K0093

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국제 무역 품목 번호

SKUGTIN
C0759-1KG04061833452004
C0759-5KG04061835321032
C0759-100G04061833451960
C0759-500G04061833452035