Skip to Content
Merck
All Photos(1)

Key Documents

View All Documentation

293334

Sigma-Aldrich

1,4,5,6-Tetrahydropyrimidine

97%

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C4H8N2
CAS Number:
1606-49-1
Molecular Weight:
84.12
MDL number:
MFCD00012098
UNSPSC Code:
12352100
PubChem Substance ID:
24857650
NACRES:
NA.22

Assay

97%

refractive index

n20/D 1.5194 (lit.)

bp

88-89 °C/1 mmHg (lit.)

density

1.024 g/mL at 25 °C (lit.)

SMILES string

C1CNC=NC1

InChI

1S/C4H8N2/c1-2-5-4-6-3-1/h4H,1-3H2,(H,5,6)

InChI key

VBXZSFNZVNDOPB-UHFFFAOYSA-N

General description

1,4,5,6-Tetrahydropyrimidine (THP) is a cyclic amidine and has been known to be carbon dioxide fixation agent. It reacts with carbon dioxide to yield a zwitterionic adduct (THP-CO2).

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCP4636
MKCB2644V
22599MJV
22599MJ
12629LR

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Peter R Edwards et al.
Organic & biomolecular chemistry, 8(1), 100-106 (2009-12-22)
The interactions of a series of urea based neutral hydrogen bond donor anion receptors have been investigated with i) alkylcarbamate anions formed by the reaction of carbon dioxide with primary aliphatic amines and ii) the zwitterionic species formed by the
Bob Storey et al.
International journal for parasitology. Drugs and drug resistance, 4(3), 233-243 (2014-12-18)
A major hindrance to evaluating nematode populations for anthelmintic resistance, as well as for screening existing drugs, new compounds, or bioactive plant extracts for anthelmintic properties, is the lack of an efficient, objective, and reproducible in vitro assay that is

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service