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:
Molecular Weight:
192.12
NACRES:
NA.21
PubChem Substance ID:
eCl@ss:
39021801
UNSPSC Code:
12352100
EC Number:
201-069-1
MDL number:
Beilstein/REAXYS Number:
782061
Assay:
99%
Concentration:
≤100%
Form:
crystals
제품 이름
Citric acid, 99%
vapor pressure
≤ 0.1 hPa ( at 25 °C)
Quality Segment
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.
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signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - STOT SE 3
target_organs
Respiratory system
저장 등급
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves