Substance profile

Tebuthiuron

Tebuthiuron is a colorless solid and is odorless.

CAS 34014-18-1 C9H16N4OS 228.32 g/mol Warning

01 · Identification

What Tebuthiuron is

Tebuthiuron is a colorless solid and is odorless. Its molecular formula is C9H16N4OS and its molecular weight is 228.32 g/mol. It melts at 163 °C.

Under the GHS it carries the signal word Warning.

CAS number34014-18-1

EC number251-793-7

Index number616-020-00-3

Molecular formulaC9H16N4OS

Molecular weight228.32 g/mol

Other names for Tebuthiuron

tebuthiuron (ISO)
1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Exclamation mark

Environment

Signal wordWarning

Hazard statements assigned to Tebuthiuron
Code	Hazard statement
H302	Harmful if swallowed.
H400	Very toxic to aquatic life.
H410	Very toxic to aquatic life with long lasting effects.

Precautionary statements: P270, P273, P301, P312, P330, P391, P501

03 · Physical and chemical properties

Tebuthiuron properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property	Value	Conditions	Source
Melting point	162.75 °C (325 °F)	range, midpoint shown	HSDB
Solubility	Solubility in benzene 3.7, hexane 6.1, 2-methoxyethanol 60, acetonitrile 60, acetone 70, methanol 170, chloroform 250 (all in g/L, 25 °C)	at 25 °C	HSDB
	In water, 2.5X10+3 mg/L at 25 °C	at 25 °C	HSDB
Vapor pressure	3e-7 mmHg	at 25 °C	HSDB
	0.000002 mmHg		Haz-Map
Corrosivity	Noncorrosive in commercial packaging		HSDB

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling Tebuthiuron

Storage conditions

Stable.

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

A urea, thiadiazole derivative.

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check Tebuthiuron in the storage compatibility matrix →

Work with Tebuthiuron

ATE mixture calculator Calculate acute toxicity estimate for a mixture containing this substance. Storage compatibility What this substance must not be stored next to. Label constructor Build a compliant GHS label with these pictograms and statements.