8.05859

1-Methylpiperazine

for synthesis

• Synonym(s): 1-Methylpiperazine, N-Methylpiperazine
• Empirical Formula (Hill Notation): C₅H₁₂N₂
• CAS Number: 109-01-3
• Molecular Weight: 100.16
• MDL number: MFCD00005966
• UNSPSC Code: 12352005
• EC Index Number: 203-639-5
• NACRES: NA.22

Properties

• vapor pressure: 12 hPa ( 20 °C)
• Quality Level: 200
• 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
• InChI: 1S/C5H12N2/c1-7-4-2-6-3-5-7/h6H,2-5H2,1H3
• InChI key: PVOAHINGSUIXLS-UHFFFAOYSA-N

Description

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

Safety Information

• pictograms: GHS02,GHS05,GHS06
• signalword: Danger
• hcodes: H226 - H312 - H314 - H331
• pcodes: P210 - P233 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 3 Inhalation - Acute Tox. 4 Dermal - Flam. Liq. 3 - Skin Corr. 1B
• Storage Class: 3 - Flammable liquids
• wgk_germany: WGK 1
• flash_point_f: 102.2 °F - closed cup
• flash_point_c: 39 °C - closed cup