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8.06127

Sigma-Aldrich

Morpholine

for synthesis

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Synonym(s):
Morpholine, Tetrahydro-1,4-oxazine
Empirical Formula (Hill Notation):
C4H9NO
CAS Number:
110-91-8
Molecular Weight:
87.12
MDL number:
MFCD00005972
UNSPSC Code:
12352005
EC Index Number:
203-815-1
NACRES:
NA.22

vapor pressure

11 hPa ( 20 °C)

Quality Level

200

Assay

≥99.0% (GC)

form

liquid

autoignition temp.

275 °C

potency

1900 mg/kg LD50, oral (Rat)
500 mg/kg LD50, skin (Rabbit)

expl. lim.

1.4-15.2 % (v/v)

pH

11 ( in H2O, undiluted)

kinematic viscosity

2.2 cSt(20 °C)

bp

129 °C/1013 hPa

mp

-5 °C

transition temp

flash point 32 °C

density

1.00 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H9NO/c1-3-6-4-2-5-1/h5H,1-4H2

InChI key

YNAVUWVOSKDBBP-UHFFFAOYSA-N

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Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.999 - 1.001
Water (K. F.): ≤ 0.30 %
Identity (IR): passes test

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Repr. 2 - Skin Corr. 1B

WGK

WGK 1

Flash Point(F)

87.8 °F

Flash Point(C)

31 °C

Regulatory Information

危险化学品

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