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Merck
CN

8.05859

1-Methylpiperazine

for synthesis

Synonym(s):

1-Methylpiperazine, N-Methylpiperazine

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About This Item

Empirical Formula (Hill Notation):
C5H12N2
CAS Number:
Molecular Weight:
100.16
UNSPSC Code:
12352005
EC Index Number:
203-639-5
NACRES:
NA.22
MDL number:
Assay:
≥99.0% (GC)
Form:
liquid
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vapor pressure

12 hPa ( 20 °C)

Quality Level

assay

≥99.0% (GC)

form

liquid

autoignition temp.

320 °C

potency

2547 mg/kg LD50, oral (Rat), 1341 mg/kg LD50, skin (Rabbit)

expl. lim.

1.2-9.9 % (v/v)

pH

11-12 (20 °C, 50 g/L in H2O)

bp

136-138 °C/1013 hPa

mp

-6 °C

transition temp

flash point 34 °C

density

0.90 g/cm3 at 20 °C

storage temp.

2-30°C

SMILES string

N1(CCNCC1)C

InChI

1S/C5H12N2/c1-7-4-2-6-3-5-7/h6H,2-5H2,1H3

InChI key

PVOAHINGSUIXLS-UHFFFAOYSA-N

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.901 - 0.903
Water (K. F.): ≤ 0.30 %
Identity (IR): passes test


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Danger

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Flam. Liq. 3 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk

WGK 1

flash_point_f

102.2 °F - closed cup

flash_point_c

39 °C - closed cup



Certificates of Analysis (COA)

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Global Trade Item Number

SKUGTIN
805859000504022536387901
805859025004022536387918
805859905004027269012335