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Triamiphos

Also known as Triamphos, Wepsyn, Wepsin

Triamiphos chemical structure, C12H19N6OP, CAS 1031-47-6
2D chemical structure

Key facts

What buyers check first

Appearance
White crystals
Melting point
167 to 169
Boiling point
400 °C
Solubility
250 mg/l in water @ 20 °C
HS code
293399
Category
Fungicides
Illustrative photo, colourless crystals in an open fibre drum in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Triamiphos?

Plain description, key identifiers and synonyms

Triamiphos is a member of benzenes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[bis(dimethylamino)phosphoryl]-5-phenyl-1,2,4-triazol-3-amine
CAS number
1031-47-6 CAS number cross-checked
EC number
620-368-1
Molecular formula
C12H19N6OP
UNII
9I7U4X189B
InChIKey
BABJTMNVJXLAEX-UHFFFAOYSA-N
InChI
InChI=1S/C12H19N6OP/c1-16(2)20(19,17(3)4)18-12(13)14-11(15-18)10-8-6-5-7-9-10/h5-9H,1-4H3,(H2,13,14,15)
SMILES (canonical and isomeric)
CN(C)P(=O)(N1C(=NC(=N1)C2=CC=CC=C2)N)N(C)C

Synonyms

  • Triamphos
  • Wepsyn
  • Wepsin
  • Wepsyn 155
  • Triamifos
  • Niagara 5943
  • WP 155
  • ENT 27,223
  • P-(5-Amino-3-phenyl-1H-1,2,4-triazol-1-yl)-N,N,N',N'-tetramethylphosphonic diamide
  • Bis(dimethylamino)-3-amino-5-phenyltriazolyl phosphine oxide
  • 5-Amino-1-bis(dimethylamido)phosphoryl-3-phenyl-1,2,4-triazole
  • 5-Amino-3-phenyl-1,2,4-triazolyl-1-bis(dimethylamido)phosphate
  • 5-Amino-1-(bis(dimethylamino)phosphinyl)-3-phenyl-1,2,4-triazole
  • 5-Amino-3-phenyl-1-bis(dimethylamino)-phosphoryl-1H-1,2,4-triazol
  • 5-Amino-3-phenyl-1,2,4-triazole-1-yl-N,N,N',N'-tetramethylphosphodiamide
  • 3-Phenyl-5-amino-1,2,4-triazolyl-(1)-(N,N'-tetramethyl) diamidophosphonate
  • Phosphonic diamide, p-(5-amino-3-phenyl-1H-1,2,4-triazol-1-yl)-N,N,N',N'-tetramethyl-
  • 5-Amino-1-bis(dimethylamide)phosphoryl-3-phenyl-1,2,4-triazole
  • 5-Amino-3-fenil-1-bis(-dimetilamino)-fosforil-1,2,4-triazolo
  • 5-Amino-3-fenyl-1-bis(dimethyl-amino)-fosforyl-1,2,4-triazool
  • 5-Amino-3-phenyl-1,2,4-triazolylbis(dimethylamino)-phosphinoxid
  • 5-Amino-3-phenyl-1-bis (dimethyl-amino)-phosphoryle-1,2,4-triazole
  • P-(5-Amino-3-phenyl-1H-1,2,4-triazol-1-yl)-N,N,N',N'-tetramethyl-phosphonic diamide
  • Wepsyn-155
  • 5-Amino-3-phenyl-1,2,4-triazolyl-1-bis(dimethylamido)pheosphate
Show all 29 synonyms
  • 5-Amino-3-phenyl-1,2,4-triazolyl-nnn'N'-tetramethyl-phosphonamide
  • p-(5-Amino-3-phenyl-1H-1,2,4-triazol-1-yl)-N,N,N'-tetramethyl phosphonic diamide
  • Triamifos (GERMAN, ITALIAN)
  • 2-[bis(dimethylamino)phosphoryl]-5-phenyl-1,2,4-triazol-3-amine

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
White crystalsexp.
Melting point
167 to 169exp.
Boiling point
400 °Cexp.
Solubility
250 mg/l in water @ 20 °Cexp.
Vapour pressure
Very low at room temperatureexp.

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
294.30 g/molcalc.
Exact mass
294.1358 Dacalc.
LogP (octanol/water)
1.61calc.
Topological polar surface area
80.28 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
4calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.33calc.
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, c1ccc(-c2nc[nH]n2)cc1

c1ccc(-c2nc[nH]n2)cc1

2 rings, 11 atoms, the 1H-1,2,4-Triazole, 5-phenyl- ring system.

1,712 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)

Hazard statements

  • H300Fatal if swallowed.
  • H310Fatal in contact with skin.
Precautionary statements (12)
  • P262Do not get in eyes, on skin, or on clothing.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P361 + P364Take off immediately all contaminated clothing. And wash it before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Triamiphos suppliers

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Triamiphos 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

A fungicide for the control of powdery mildews.

How it is made

By reaction of the sodium salt of 3-amino-5-phenyl-1,2,4-triazole with bis(dimethylamido)phosphorylchloride.

Regulatory status

Inventories, regulations and trade controls that list this substance

Europe

  • EU harmonised classification (CLP Annex VI)
    Index no: 015-024-00-7

HS code and trade data

Customs classification and reported world trade statistics

Global trade

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

HS 2933.99Indicative HS code

Heterocyclic compounds with nitrogen hetero-atom(s) only, other

World exports in 2024
$12.1B
−31.0% vs 2023, imports $28.8B
2019 to 2024
Top exporters
  1. China30.5%
  2. India * partner reported16.3%
  3. Ireland9.0%
Top importers
  1. Slovenia31.7%
  2. Italy24.2%
  3. United States5.0%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Triamiphos?

Triamiphos is a member of benzenes.

What is the CAS number of Triamiphos?

The CAS registry number of Triamiphos is 1031-47-6.

What is the molecular formula and weight of Triamiphos?

The molecular formula of Triamiphos is C12H19N6OP and its molar mass is 294.30 g/mol.

What is Triamiphos used for?

A fungicide for the control of powdery mildews.

Is Triamiphos hazardous?

Triamiphos carries the GHS signal word "Danger". Main hazards: fatal if swallowed, fatal in contact with skin. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Triamiphos?

Triamiphos is usually classified under HS code 293399 (Heterocyclic compounds with nitrogen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Triamiphos?

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What is the price of Triamiphos?

Suppliers quote Triamiphos 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 Triamiphos

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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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