Simazine

Description

Simazin · CAS 122-34-9 · C7H12ClN5. UNII SG0C34SMY3. Melting Point: 437 to 441 °F (NTP, 1992); Melting Point: 225 to 227 °C (decomp); Melting Point: 437-441 °F.

Identification

CAS Registry Number	122-34-9
PubChem CID	5216
Molecular formula	C7H12ClN5
IUPAC name	6-chloro-2-N,4-N-diethyl-1,3,5-triazine-2,4-diamine
UNII (FDA)	SG0C34SMY3

Computed Descriptors

Molecular Weight	201.66
XLogP3	2.2
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	5
Rotatable Bond Count	4
Exact Mass	201.0781231
Monoisotopic Mass	201.0781231
Topological Polar Surface Area	62.7
Heavy Atom Count	13
Formal Charge	0

Physical & Chemical Properties

Melting Point	437 to 441 °F (NTP, 1992)
Melting Point	225 to 227 °C (decomp)
Melting Point	437-441 °F
Solubility	400 PPM IN METHANOL @ 20 °C
Solubility	3.0 ppm in n-pentane at 25 °C
Solubility	In water, 6.2 mg/L (pH 7, 20 °C)
Density	1.33 at 22 °C /as per source/
Density	1.3 g/cm³
Density	1.302
Vapor Pressure	6.1e-09 mmHg at 68 °F (NTP, 1992)

Physical description & handling notes

• Simazine is a white to off-white crystalline powder. (NTP, 1992)
• Colorless to white crystals; [EXTOXNET]
• WHITE CRYSTALLINE POWDER.
• White to off-white crystalline powder.
• White solid
• Colorless powder

GHS Hazard Classification

Reported hazard statements	H351, H400, H410, H302 (51.7%), H319 (51.7%), H320, H335, H336

Documented Uses

• Used as a broadleaf herbicide; [EXTOXNET] Inhibits photosynthesis in weeds after application to soil; Used in crops (apples, oranges, almonds, corn), lawns, and in ponds and aquariums (algicide); [ACGIH]
• Simazine is a selective herbicide used for control of broadleaf weeds and annual grasses in corn, established alfalfa, fruit, nuts, asparagus, ornamentals, and turf.
• Selective systemic herbicide. Control of most germinating annual grasses and broad-leaved weeds.
• Simazine is also used for selective control of algae and submerged weeds in ponds. It is approved for algae control in swimming pools, large aquaria, ornamental fish ponds, fountains, and recirculating water cooling towers.
• For more Uses (Complete) data for SIMAZINE (7 total), please visit the HSDB record page.
• Information on 2 consumer products that contain Simazine in the following categories is provided:

Synonyms

simazine; 122-34-9; Gesatop; Princep; Simanex; Gesapun; Primatol S; Aquazine; Batazina; Herbazin; Symazine; Tafazine; Taphazine; Bitemol; Herbex; Herboxy

Frequently Asked Questions

What are the CAS number and molecular formula of Simazin?

CAS 122-34-9; molecular formula C7H12ClN5; molecular weight — g/mol.

What other names is Simazin known by?

simazine, 122-34-9, Gesatop, Princep, Simanex, Gesapun.

Is Simazin classified as hazardous?

Hazard statements reported: H351, H400, H410, H302, H319.

What are the key physical properties of Simazin?

Melting Point: 437 to 441 °F (NTP, 1992); Melting Point: 225 to 227 °C (decomp); Melting Point: 437-441 °F; Solubility: 400 PPM IN METHANOL @ 20 °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.