Tetramethylguanidine CAS#80-70-6

Boiling point 

162-163 °C (lit.)

density 

0.916 g/mL at 20 °C (lit.)

vapor pressure 

0.2 mm Hg ( 20 °C)

refractive index 

n20/D 1.469

Fp 

140 °F

storage temp. 

Store below +30°C.

solubility 

Acetonitrile (Slightly), DMSO (Slightly), Methanol (Slightly)

form 

Liquid

pka

15.20±0.70(Predicted)

color 

APHA: ≤150

Odor

mild ammoniacal odor

PH

12.7 (10g/l, H2O, 25℃)

Relative polarity

5.5

explosive limit

1.0-7.5%(V)

Water Solubility 

miscible

Sensitive 

Air Sensitive

BRN 

969608

Dielectric constant

23.100000000000001

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents, mineral and organic acids, carbon dioxide. Air-sensitive.

InChI

1S/C5H13N3/c1-7(2)5(6)8(3)4/h6H,1-4H3

InChIKey

KYVBNYUBXIEUFW-UHFFFAOYSA-N

SMILES

CN(C)C(=N)N(C)C

LogP

-0.49 at 20℃

CAS DataBase Reference

80-70-6(CAS DataBase Reference)

NIST Chemistry Reference

N,N,N',N'-Tetramethylguanidine(80-70-6)

EPA Substance Registry System

Guanidine, N,N,N',N'-tetramethyl- (80-70-6)

Safety Information

Risk Statements 

22-34-20/22-10

Safety Statements 

26-27-36/37/39-45-16

RIDADR 

UN 2920 8/PG 2

WGK Germany 

1

F 

9-23

Autoignition Temperature

222 °C

Hazard Note 

Harmful/Corrosive

TSCA 

TSCA listed

HazardClass 

8

PackingGroup 

II

HS Code 

29252000

Storage Class

3 - Flammable liquids

Hazard Classifications

Acute Tox. 4 Oral
Eye Dam. 1
Flam. Liq. 3
Met. Corr. 1
Skin Corr. 1B

Toxicity

LD50 orally in Rabbit: 835 mg/kg