CAS No.60-27-5 Creatinine

Creatinine

Identification
Name Creatinine
CAS Registry Number 60-27-5
Synonyms 2-amino-1,5-dihydro-1-methyl-4h-imidazol-4-on;2-Imino-1,5-dihydro-1-methyl-4H-imidazol-4-one;4H-Imidazol-4-one, 2-amino-1,5-dihydro-1-methyl-;4H-Imidazol-4-one, 2-imino-1,5-dihydro-1-methyl-;4H-Imidazol-4-one,2-amino-1,5-dihydro-1-methyl-;Methylglycocyamidine;1-METHYLGLYCOCYAMIDINE;1-METHYLHYDANTOIN-2-IMIDE
Molecular Structure Creatinine   60-27-5
Molecular Formula C4H7N3O
Molecular Weight 113.12
mp: 295 ℃ (dec.)(lit.)
Hazard Codes: Details
Risk Statements: 34-36/37/38-20/21/22
Safety Statements: 26-36/37/39-45-24/25-36
RIDADR: UN 1789 8/PG 3
HS Code: 29332990

CAS 60-27-5 Wiki / 60-27-5 MSDS

Creatinine
Creatinine-tautomerism-2D-skeletal.png
Creatinine-tautomerism-3D-balls.png
Names
Preferred IUPAC name
2-Amino-1-methyl-5H-imidazol-4-one[citation needed]
Systematic IUPAC name
2-Amino-1-methyl-1H-imidazol-4-ol[citation needed]
Other names
2-Amino-1-methylimidazol-4-ol[citation needed]
Identifiers
CAS Number
  • 60-27-5 YesY
3D model (JSmol)
  • Interactive image
3DMet B00175
Beilstein Reference
112061
ChEBI
  • CHEBI:16737 N
ChemSpider
  • 21640982 YesY
ECHA InfoCard 100.000.424
EC Number 200-466-7
KEGG
  • D03600 YesY
MeSH Creatinine
PubChem CID
  • 26009888
  • 588 minor tautomer
UNII
  • AYI8EX34EU YesY
UN number 1789
Properties
Chemical formula
C4H7N3O
Molar mass 113.12 g·mol−1
Appearance White crystals
Density 1.09 g cm−3
Melting point 300 °C (572 °F; 573 K)[1] (decomposes)
Solubility in water
1 part per 12[1]

90 mg/ml at 20° C[2]

log P -1.76
Acidity (pKa) 12.309
Basicity (pKb) 1.688
Isoelectric point 11.19
Thermochemistry
Specific
heat capacity (C)
138.1 J K−1 mol−1 (at 23.4 °C)
Std molar
entropy (So298)
167.4 J K−1 mol−1
Std enthalpy of
formation (ΔfHo298)
−240.81–239.05 kJ mol−1
Std enthalpy of
combustion (ΔcHo298)
−2.33539–2.33367 MJ mol−1
Hazards
EU classification (DSD) (outdated)
Harmful Xn
R-phrases (outdated) R34, R36/37/38, R20/21/22
S-phrases (outdated) S26, S36/37/39, S45, S24/25, S36
NFPA 704
Flammability code 1: Must be pre-heated before ignition can occur. Flash point over 93 °C (200 °F). E.g., canola oilHealth code 1: Exposure would cause irritation but only minor residual injury. E.g., turpentineReactivity code 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g., liquid nitrogenSpecial hazards (white): no codeNFPA 704 four-colored diamond
1
1
0
Flash point 290 °C (554 °F; 563 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Creatinine (/kriˈætɪnɪn/ or /kriˈætɪnn/; from Greek: κρέας, translit. kreas, lit. 'flesh') is a breakdown product of creatine phosphate in muscle, and is usually produced at a fairly constant rate by the body (depending on muscle mass).