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Properties of substance:
4-methoxybenzaldehyde
skc-file
Synonyms:
p-anisaldehyde
Group of substances:
organic
Physical appearance:
colorless oily liquid
Empirical formula (Hill's system for organic substances):
C
8
H
8
O
2
Structural formula as text:
CH3OC6H4CHO
Molar/atomic mass: 136.148
Melting point (°C):
1
Boiling point (°C):
248
Solubility (g/100 g of solvent):
acetone
: very soluble [
Ref.
]
ammonia liquid
: 233 (20°C) [
Ref.
]
benzene
: soluble [
Ref.
]
chloroform
: very soluble [
Ref.
]
diethyl ether
: miscible [
Ref.
]
ethanol
: miscible [
Ref.
]
glycerol
: slightly soluble [
Ref.
]
water
: 0.2 (20°C) [
Ref.
]
Density:
1.119 (20°C, g/cm
3
)
Reactions:
Yeild 78-84%. [
Ref.1
]
CH
3
OC
6
H
4
CHO + CH
2
(COOH)
2
→ CH
3
OC
6
H
4
CH=CHCOOH + H
2
O + CO
2
Yeild 20-35%. [
Ref.1
]
CH
3
OC
6
H
4
CHO + (CH
3
CO)
2
O → CH
3
OC
6
H
4
CH=CHCOOH + CH
3
COOH
Yeild 60%. [
Ref.1
]
CH
3
OC
6
H
4
CHO + CH
3
CH
2
CHN
2
→ CH
3
OC
6
H
4
C(O)CH
2
CH
2
CH
3
+ N
2
[
Ref.1
]
CH
3
OC
6
H
4
CHO + 2CH
3
CONH
2
→ CH
3
OC
6
H
4
CH(NHCOCH
3
)
2
+ H
2
O
Refractive index (n
D
):
1.573 (20°C)
Vapour pressure (Torr):
0.0075 (9°C)
0.03 (25°C)
0.075 (35°C)
0.75 (68.1°C)
2 (83°C)
5 (107°C)
7.5 (110.8°C)
10 (118°C)
12 (135°C)
75 (167.9°C)
750 (248.5°C)
Retention indices for gas chromatography:
1222,7 (phase - 100% dimethylsilicone)
1251,8 (phase - dimethylsilicone with 5% phenyl groups)
Permittivity (dielectric constant):
22 (30°C)
Flash point (°C):
108
Autoignition temperature (°C):
258
LD
50
(mg/kg):
1510 (rats, oral)
References:
CRC Handbook of Chemistry and Physics. - 90ed. - CRC Press, 2010. - pp. 3-328, 6-93, 6-161, 8-108, 15-18
Lewis R.J. Sax's Dangerous Properties of Industrial Materials. - 11ed. - Wiley-interscience, 2004. - pp. 264
Seidell A. Solubilities of organic compounds. - 3ed., vol.2. - New York: D. Van Nostrand Company, 1941. - pp. 588
The Merck Index 11th ed., Merck & Company, 1989. - pp. 697
Yalkowsky S.H., Yan H. Handbook of aqueous solubility data. - CRC Press, 2003. - pp. 474
Каррер П. Курс органической химии. - 2-е изд., под ред. Колосова М.Н. - Л.: ГНТИХЛ, 1962. - pp. 629 [Russian]
Краткая химическая энциклопедия. - Т. 1: А-Е. - М.: Советская энциклопедия, 1961. - pp. 232 [Russian]
Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 124 [Russian]
Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 910 [Russian]
Справочник химика. - Т. 2. - Л.-М.: Химия, 1964. - pp. 434-435 [Russian]
Химическая энциклопедия. - Т. 1. - М.: Советская энциклопедия, 1988. - pp. 168 [Russian]
Химический энциклопедический словарь. - Под ред. Кнунянц И.Л. - М.: Советская энциклопедия, 1983. - pp. 48 [Russian]
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© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru