Promethryne

Description

Promethryne · CAS 1705649-52-0 · C10H19N5S. UNII 1K20TB75IL. Melting Point: 119 °C; Density: 1.157 g/cu cm at 20 °C; Vapor Pressure: 0.000002 [mmHg].

Identification

CAS Registry Number	1705649-52-0
PubChem CID	4929
Molecular formula	C10H19N5S
IUPAC name	6-methylsulfanyl-2-N,4-N-di(propan-2-yl)-1,3,5-triazine-2,4-diamine
UNII (FDA)	1K20TB75IL

Computed Descriptors

Molecular Weight	241.36
XLogP3	3.5
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	6
Rotatable Bond Count	5
Exact Mass	241.13611680
Monoisotopic Mass	241.13611680
Topological Polar Surface Area	88
Heavy Atom Count	16
Formal Charge	0

Physical & Chemical Properties

Melting Point	119 °C
Density	1.157 g/cu cm at 20 °C
Vapor Pressure	0.000002 [mmHg]
Vapor Pressure	1.24X10-6 mm Hg at 25 °C
LogP	log Kow = 3.51
LogP	3.36
Dissociation Constants	pKa = 4.05

Physical description & handling notes

• Prometryn appears as colorless crystals. Used as an herbicide.
• Colorless or white odorless solid; [HSDB]
• Crystals
• White powder
• WHITE SOLID
• Odorless.

Regulatory Status

GHS notification summary	3.2% (3 / 94)

GHS Hazard Classification

GHS notification summary	3.2% (3 / 94)
Reported hazard statements	H332 (43.6%), H400 (79.8%), H410 (37.2%), H411 (17%), H302 (100%), H373

Documented Uses

• Used as pre- or post-emergence herbicide for control of annual grasses and broad-leaved weeds in cotton, peanuts, vegetables, other crops, and forestry; [HSDB]
• Substituted thiomethyl triazine herbicide
• For most annual grasses, broadleaf weeds in cotton and celery. Applied to cotton broadcast or in band as preplant incorporated, preemergence.
• For more Uses (Complete) data for PROMETRYNE (9 total), please visit the HSDB record page.
• Reaction of 2-chloro-4,6-bis(isopropylamino)-s-triazine with sodium methyl mercaptide.
• ... Reacting propazine with methyl mercaptan in presence of 1 equiv of sodium hydroxide or by reacting 2-mercapto-4,6-bis(isopropyl-amino)-s-triazine with methylating agent in presence of sodium hydroxide.

Synonyms

prometryn; 7287-19-6; Prometryne; Caparol; Gesagard; Prometrex; Primatol Q; Mercazin; Merkazin; Selektin; Uvon; Mercasin; Promethryn; Prometrin; Sesagard; Polisin

Frequently Asked Questions

What are the CAS number and molecular formula of Promethryne?

CAS 1705649-52-0; molecular formula C10H19N5S; molecular weight — g/mol.

What other names is Promethryne known by?

prometryn, 7287-19-6, Prometryne, Caparol, Gesagard, Prometrex.

Is Promethryne classified as hazardous?

3.2% of GHS notifications report no hazard classification (3 of 94).

What are the key physical properties of Promethryne?

Melting Point: 119 °C; Density: 1.157 g/cu cm at 20 °C; Vapor Pressure: 0.000002 [mmHg]; Vapor Pressure: 1.24X10-6 mm Hg at 25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.