4-Dimethylaminopyridine(CAS#1122-58-3）

Chemical Property:

1122-58-3 – Names and Identifiers

Name	4-Dimethylaminopyridine
Synonyms	DMAP 26DCLPY AURORA KA-6495 AKOS BBS-00004314 4-dimethylamiopryidine 4dimethylaminopyridine 4-Dimethylaminopyridine 4-Dimethylaminepyridine p-Dimethylaminopyridine 4 dimethylamino pyridine 4-dimethylamino pyridine 4-(dimethylamino)-pyridin 4-(Dimethylamino)pyridine 4-Dimethyl amino pyridine n,n-dimethyl-4-pyridinamin N-(4-Pyridyl)dimethylamine N,N-dimethylpyridin-4-amine N,N-Dimethyl-4-pyridinamine 4-N,N-Dimethylaminopyridine N,N-dimethylpyridin-2-amine Dimethyl-pyridin-4-yl-amine 4-(dimethylamino)pyridinium Pyridine, 4-(dimethylamino)- N,N’-DIMEHTYL-4-PYRIDINAMINE N,N-Dimethyl-4-aminopyridine gamma-(Dimethylamino)pyridine Dimethyl-pyridin-4-yl-amine(DMAP) 4-(DIMETHYLAMINO)PYRIDINE SOLUTION 4-(Dimethylamino)PyridineForSynthesis 4-(Dimethylamino) PyridineForSynthesis 4-(Dimethylamino)pyridine, ReagentPlus
CAS	1122-58-3
EINECS	214-353-5
InChI	InChI=1/C7H10N2/c1-9(2)7-3-5-8-6-4-7/h3-6H,1-2H3/p+1

1122-58-3 – Physico-chemical Properties

Molecular Formula	C7H10N2
Molar Mass	122.17
Density	0.906 g/mL at 25 °C
Melting Point	112 °C
Boling Point	162 °C
Flash Point	110 °C
Water Solubility	76 g/L (25 ºC)
Solubility	Soluble in water, ethanol, acetone, benzene, toluene, xylene, dichloroethane, chloroform, acetic acid, acetic anhydride, ethyl acetate, hexane, tetrahydrofuran, triethylamine, pyridine, DMF and other solvents.
Vapor Presure	0.169 hPa at 20 °C
Appearance	White crystal
Color	off-white to yellow
Odor	characteristic odor
Merck	14,3389
BRN	110354
pKa	pKa (20°): 9.7
PH	11 (60g/l, H2O, 20℃)
Storage Condition	Store below +30°C.
Stability	Stable. Incompatible with acids, oxidizing agents.
Refractive Index	n20/D 1.431
MDL	MFCD00006418
Physical and Chemical Properties	trait light yellow or white crystal
Use	4-dimethylaminopyridine is a new type of efficient catalyst widely used in chemical synthesis, in organic synthesis, drug synthesis, pesticides, dyes, spices and other synthetic acylation, alkylation, etherification and other types of reactions have high catalytic ability, and have an extremely obvious effect on improving the yield.

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1122-58-3 – Risk and Safety

Risk Codes	R25 – Toxic if swallowed R34 – Causes burns R24/25 - R36/37/38 – Irritating to eyes, respiratory system and skin. R27 – Very Toxic in contact with skin R36 – Irritating to the eyes R24 – Toxic in contact with skin R20 – Harmful by inhalation R61 – May cause harm to the unborn child R40 – Limited evidence of a carcinogenic effect R23/24/25 – Toxic by inhalation, in contact with skin and if swallowed. R67 – Vapors may cause drowsiness and dizziness R66 – Repeated exposure may cause skin dryness or cracking R21/22 – Harmful in contact with skin and if swallowed. R11 – Highly Flammable R36/37 – Irritating to eyes and respiratory system. R22 – Harmful if swallowed R19 – May form explosive peroxides
Safety Description	S36/37/39 – Wear suitable protective clothing, gloves and eye/face protection. S45 – In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S28A - 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 soap-suds. S36/37 – Wear suitable protective clothing and gloves. S53 – Avoid exposure – obtain special instructions before use. S27 – Take off immediately all contaminated clothing. S22 – Do not breathe dust. S16 – Keep away from sources of ignition.
UN IDs	UN 2811 6.1/PG 2
WGK Germany	3
RTECS	US8400000
TSCA	T
HS Code	29333999
Hazard Note	Toxic/Corrosive
Hazard Class	8
Packing Group	II
Toxicity	LD50 orally in Rabbit: 140 mg/kg LD50 dermal Rabbit 90 mg/kg