7291-22-7

Name PYRIDINE-D5
CAS 7291-22-7
EINECS(EC#) 230-720-2
Molecular Formula C5D5N
MDL Number MFCD00044639
Molecular Weight 84.13
MOL File 7291-22-7.mol
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Chemical Properties

Appearance clear colourless liquid
Melting point  -41 °C
Boiling point  114.4 °C(lit.)
density  1.05 g/mL at 25 °C(lit.)
vapor pressure  26.7 hPa (25 °C)
refractive index  n20/D 1.506(lit.)
Fp  68 °F
storage temp.  2-8°C
solubility  1000g/l soluble
form  Liquid
pka pK1:5.83(+1) (25°C)
color  Colorless
PH 8.81 (H2O)
explosive limit 1.8-12.4%(V)
Water Solubility  Soluble in water, alcohol, ether, acetone, and benzene.
BRN  114377
InChI 1S/C5H5N/c1-2-4-6-5-3-1/h1-5H/i1D,2D,3D,4D,5D
InChIKey JUJWROOIHBZHMG-RALIUCGRSA-N
SMILES [2H]c1nc([2H])c([2H])c([2H])c1[2H]
CAS DataBase Reference 7291-22-7(CAS DataBase Reference)
Storage Precautions Store under argon gas;Store under inert gas
EPA Substance Registry System Pyridine-d5 (7291-22-7)
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Safety Data

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H302+H312+H332-H315-H319
Precautionary statements  P210-P280-P301+P312-P303+P361+P353-P304+P340+P312-P305+P351+P338
Hazard Codes  F,Xn,T
Risk Statements 
R11:Highly Flammable.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
R63:Possible risk of harm to the unborn child.
R43:May cause sensitization by skin contact.
R36/37/38:Irritating to eyes, respiratory system and skin .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
R45:May cause cancer.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S36/37:Wear suitable protective clothing and gloves .
S24/25:Avoid contact with skin and eyes .
S23:Do not breathe gas/fumes/vapor/spray (appropriate wording to be specified by the manufacturer) .
S53:Avoid exposure-obtain special instruction before use .
RIDADR  UN 1282 3/PG 2
WGK Germany  3
F  10
Autoignition Temperature 482 °C
HazardClass  3
PackingGroup  II
HS Code  28459000
Storage Class 3 - Flammable liquids
Hazard Classifications Acute Tox. 4 Dermal
Acute Tox. 4 Inhalation
Acute Tox. 4 Oral
Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
Toxicity
LD50 orally in Rabbit: 891 mg/kg LD50 dermal Rabbit 1121 mg/kg

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