8.07041

2-Pyrrolidone

for synthesis

• Synonym(s): 2-Pyrrolidone, γ-Butyrolactam
• Empirical Formula (Hill Notation): C₄H₇NO
• CAS Number: 616-45-5
• Molecular Weight: 85.10
• UNSPSC Code: 12352115
• EC Index Number: 210-483-1
• NACRES: NA.22
• MDL number: MFCD00005270
• Assay: ≥99.0% (GC)
• Form: solid

Properties

• vapor pressure: 0.04 hPa ( 20 °C)
• Quality Segment: 200
• assay: ≥99.0% (GC)
• form: solid
• autoignition temp.: 395 °C
• potency: >3200 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.8-16.6 % (v/v)
• pH: 9-11 (20 °C, 100 g/L in H₂O)
• mp: 25.5 °C (External MSDS)
• transition temp: flash point 138 °C
• density: 1.11 g/cm³ at 20 °C
• storage temp.: 2-30°C
• SMILES string: N1CCCC1=O
• InChI: 1S/C4H7NO/c6-4-2-1-3-5-4/h1-3H2,(H,5,6)
• InChI key: HNJBEVLQSNELDL-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.110 - 1.112
Water (K. F.): ≤ 0.20 %
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Safety Information

• pictograms: GHS07,GHS08
• signalword: Danger
• hcodes: H319 - H360D
• pcodes: P201 - P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Eye Irrit. 2 - Repr. 1B
• Storage Class: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• wgk: WGK 1
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup