8.21897

N,N,N′,N′-Tetramethylguanidine

for synthesis

• Synonym(s): N,N,N′,N′-Tetramethylguanidine
• Linear Formula: [(CH₃)₂N]₂C=NH
• CAS Number: 80-70-6
• Molecular Weight: 115.18
• MDL number: MFCD00008323
• UNSPSC Code: 12352129
• EC Index Number: 201-302-7

Properties

• vapor pressure: 2.9 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: 222 °C
• potency: 835 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.0-7.5 % (v/v)
• refractive index: n20/589 1.4659
• pH: 12.7 (25 °C, 10 g/L in H₂O)
• bp: 162 °C/1013 hPa
• mp: <-80 °C
• transition temp: flash point 50 °C
• density: 0.92 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C5H13N3/c1-7(2)5(6)8(3)4/h6H,1-4H3
• InChI key: KYVBNYUBXIEUFW-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.915 - 0.917
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS05,GHS07
• Signal Word: Danger
• Hazard Statements: H226 - H290 - H302 - H314
• Precautionary Statements: P210 - P233 - P280 - P301 + P312 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Corr. 1B
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 122.0 °F - closed cup
• Flash Point(C): 50 °C - closed cup