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Herbicides

Tebuthiuron

Also known as Spike, Graslan, Perflan

CAS 34014-18-1Formula C9H16N4OSMolar mass 228.32 g/molEC 251-793-7
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 72 suppliers listed
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Tebuthiuron chemical structure, C9H16N4OS, CAS 34014-18-1
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless solid
Melting point
161.5 to 164
Solubility
In water, 2.5 × 10⁺³ mg/L at 25 °C
HS code
293499
Category
Herbicides
UN number
UN 3077
Illustrative photo, plastic pellets in a cardboard octabin in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Tebuthiuron?

Plain description, key identifiers and synonyms

Tebuthiuron is an organonitrogen heterocyclic compound and an organosulfur heterocyclic compound.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea
CAS number
34014-18-1 CAS number cross-checked
EC number
251-793-7
Molecular formula
C9H16N4OS
UNII
E5OX6GM11E
MDL number
MFCD00078732
InChIKey
HBPDKDSFLXWOAE-UHFFFAOYSA-N
InChI
InChI=1S/C9H16N4OS/c1-9(2,3)6-11-12-8(15-6)13(5)7(14)10-4/h1-5H3,(H,10,14)
SMILES (canonical and isomeric)
CC(C)(C)C1=NN=C(S1)N(C)C(=O)NC

Synonyms

  • Spike
  • Graslan
  • Perflan
  • 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea
  • Brulan
  • Prefmid
  • Tebulan
  • Tiurolan
  • Brush bullet
  • Spike 80W
  • Graslan 250 brush bullets
  • Perfmid
  • SHA 105501
  • Urea, N-[5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl]-N,N'-dimethyl-
  • N-(5-(1,1-Dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea
  • 1-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-3-dimethylharnstoff
  • Urea, N-(5-(1,1-dimethylethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethyl-
  • 1-(5-(tert-Butyl)-1,3,4-thiadiazol-2-yl)-1,3-dimethylurea
  • Urea, 1-(5-(t-butyl)-1,3,4-thiadiazol-2-yl)-1,3-dimethyl-
  • N-(5-(1,1-Dimethylaethyl)-1,3,4-thiadiazol-2-yl)-N,N'-dimethylharnstoff
  • N-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-N,N'-dimethylurea
  • Preflan
  • N-[5-(tert-butyl)(1,3,4-thiadiazol-2-yl)]-N-methyl(methylamino)carboxamide
  • Bushwacker
  • 1-[5-(tert-Butyl)-1,3,4-thiadiazol-2-yl]-1,3-dimethylurea
Show all 29 synonyms
  • Tebuthiuron Standard
  • DivK1c_006522
  • El 103
  • Urea, 1-(5-tert-butyl-1,3,4-thiadiazol-2-yl)-1,3-dimethyl-

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

Appearance
Colorless solidexp.
Odour
Odorlessexp.
Melting point
161.5 to 164exp.
Solubility
In water, 2.5 × 10⁺³ mg/L at 25 °Cexp.
Vapour pressure
3.0 × 10⁻⁷ mm Hg at 25 °C (0.04 mPa, 25 °C, gas saturation method)exp.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
228.32 g/molcalc.
Exact mass
228.1045 Dacalc.
LogP (octanol/water)
1.61calc.
Topological polar surface area
58.12 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
1calc.
Heavy atoms
15calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1nncs1

c1nncs1

1 ring, 5 atoms, the 1,3,4-Thiadiazole ring system.

1,661 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (7)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P273Avoid release to the environment.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • P391Collect spillage.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 3077

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Tebuthiuron suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 72 suppliers
30 of 30 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

72 suppliers in 13 countries

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Tebuthiuron price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Herbicide.

Broad-spectrum herbicide for control of herbaceous and woody plants ... annual weeds ..., many perennial grass and broad-leaved weeds.

Sugarcane, rangeland, noncropland, rights-of-way and industrial sites.

Functional uses

  • Biocide

How it is made

Tebuthiuron is produced by reaction of 5-tert-butyl-2-N-methyl isocyanate-1,3,4-thiadiazole with methylamine.

Preparation: GB 1266172 (1972 to Air Products and Chemicals, Inc.), E.V.P. Tao, BE 799575, idem, US 3803164 (1973, 1974 both to Lily)

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 616-020-00-3

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Tebuthiuron is traded under.

HS 2934.99Indicative HS code

Nucleic acids and their salts, other heterocyclic compounds, not elsewhere classified in heading 2934

World exports in 2024
$26.7B
+15.0% vs 2023, imports $26.3B
2019 to 2024
Top exporters
  1. Ireland26.3%
  2. China15.7%
  3. Singapore10.3%
Top importers
  1. United States24.5%
  2. Germany23.1%
  3. Japan4.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Tebuthiuron is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Tebuthiuron, based on the data on this page

What is Tebuthiuron?

Tebuthiuron is an organonitrogen heterocyclic compound and an organosulfur heterocyclic compound.

What is the CAS number of Tebuthiuron?

The CAS registry number of Tebuthiuron is 34014-18-1.

What is the molecular formula and weight of Tebuthiuron?

The molecular formula of Tebuthiuron is C9H16N4OS and its molar mass is 228.32 g/mol.

What is Tebuthiuron used for?

Herbicide. Broad-spectrum herbicide for control of herbaceous and woody plants ... annual weeds ..., many perennial grass and broad-leaved weeds. Sugarcane, rangeland, noncropland, rights-of-way and industrial sites.

Is Tebuthiuron hazardous?

Tebuthiuron carries the GHS signal word "Warning". Main hazards: harmful if swallowed, very toxic to aquatic life, very toxic to aquatic life with long lasting effects. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Tebuthiuron?

Tebuthiuron is usually classified under HS code 293499 (Nucleic acids and their salts, whether or not chemically defined, other heterocyclic…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Tebuthiuron?

CompoundList lists 72 suppliers of Tebuthiuron in Brazil, China, Argentina, India and 9 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Tebuthiuron in India?

2 suppliers in India list Tebuthiuron on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Tebuthiuron?

Suppliers quote Tebuthiuron on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Tebuthiuron

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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