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Acetaminophen Structure

Acetaminophen

Product NameAcetaminophen

CAS103-90-2

CBNumberCB1413658

MFC8H9NO2

MW151.16

EINECS203-157-5

MDL NumberMFCD00002328

MOL File103-90-2.mol

MSDS FileSDS

Chemical Properties

Melting point 168-172 °C(lit.)
Boiling point 273.17°C (rough estimate)
Density  1,293 g/cm3
refractive index  1.5810 (rough estimate)
Flash point 11 °C
storage temp.  Inert atmosphere,Room Temperature
solubility  ethanol: soluble0.5M, clear, colorless
pka 9.86±0.13(Predicted)
form  Crystals or Crystalline Powder
color  White
PH 5.5-6.5 (H2O, 20℃)(saturated solution)
PH Range 5.5 - 6.5 (H?O, 20 °C) (saturated solution)
explosive limit 15%(V)
Water Solubility  14 g/L (20 ºC)
Merck  14,47
BRN  2208089
InChIKey RZVAJINKPMORJF-UHFFFAOYSA-N
CAS DataBase Reference 103-90-2(CAS DataBase Reference)
IARC 3 (Vol. 50, 73) 1999
NIST Chemistry Reference Acetaminophen(103-90-2)
EPA Substance Registry System Acetaminophen (103-90-2)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H302
Precautionary statements P264-P270-P301+P312-P501
Hazard Codes  Xn,T,F
Risk Statements  22-36/37/38-52/53-36/38-40-39/23/24/25-23/24/25-11
Safety Statements  26-36-61-37/39-22-45-36/37-16-7
RIDADR  UN 3077 9/PG III
WGK Germany  1
RTECS  AE4200000
Autoignition Temperature 540 °C
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29242930
Hazardous Substances Data 103-90-2(Hazardous Substances Data)
Toxicity LD50 in mice (mg/kg): 338 orally (Starmer), 500 i.p. (Dahlin, Nelson)
NFPA 704:
1
2 0

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