Home Categories Organic Chemistry p-Anisidine
A0640612

p-Anisidine , 99% , 104-94-9

Synonym(s):
4-Aminoanisole;4-Methoxyaniline;4-Methoxyaniline, 4-Aminoanisole, 4-Aminophenyl methyl ether;p-Anisidine

CAS NO.:104-94-9

Empirical Formula: C7H9NO

Molecular Weight: 123.15

MDL number: MFCD00007864

EINECS: 203-254-2

Update time: 2022-07-08

PRODUCT Properties

Melting point: 56-59 °C(lit.)
Boiling point: 240-243 °C(lit.)
Density  1.06
vapor density  4.28
vapor pressure  0.02 hPa (20 °C)
refractive index  1.5559
Flash point: 122 °C
storage temp.  Store below +30°C.
solubility  21g/l
pka 5.34(at 25℃)
form  crystalline
color  dark gray to brown
Specific Gravity 1.07
PH 7.7 (1g/l, H2O, 20℃)
Water Solubility  21 g/L (20 ºC)
Merck  14,667
BRN  471556
Henry's Law Constant (x 10-8 atm?m3/mol): 6.62 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
Exposure limits NIOSH REL: TWA 0.5 mg/m3, IDLH 50 mg/m3; OSHA PEL: TWA 0.5 mg/m3; ACGIH TLV: TWA 0.1 ppm (adopted).
Dielectric constant 8.8399999999999999
Stability: Hygroscopic, Material Darkens In Storage With No Loss In Purity
LogP 0.950

Description and Uses

p-Anisidine is used mostly for producing dyes, and some smaller quantities are employed in making pharmaceuticals and liquid crystals.

Safety

Symbol(GHS) 
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H300+H310+H330-H350-H373-H400
Precautionary statements  P201-P202-P273-P280-P302+P352+P310-P304+P340+P310
Hazard Codes  T+,N,Xi
Risk Statements  45-26/27/28-33-50
Safety Statements  53-28-36/37-45-61-28A
RIDADR  UN 2811 6.1/PG 3
OEB C
OEL TWA: 0.5 mg/m3 [skin]
WGK Germany  2
RTECS  BZ5450000
8
Autoignition Temperature 959 °F
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29222200
Toxicity Acute oral LD50 for rats 1,400 mg/kg, mice 810 mg/kg, rabbits 2,900 mg/kg (quoted, RTECS, 1985).
IDLA 50 mg/m3

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