Alachlor

Description

Alachlor · CAS 1246817-91-3 · C14H20ClNO2. UNII 24S2S61PXL. Boiling Point: 100 °C at 0.02 mm Hg; 135 °C at 0.3 mm Hg; Boiling Point: at 101.3kPa: >400 °C; Boiling Point: 212 °F at 0.02 mmHg.

Identification

CAS Registry Number	1246817-91-3
PubChem CID	2078
Molecular formula	C14H20ClNO2
IUPAC name	2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide
UNII (FDA)	24S2S61PXL

Computed Descriptors

Molecular Weight	269.77
XLogP3	3.5
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	6
Exact Mass	269.1182566
Monoisotopic Mass	269.1182566
Topological Polar Surface Area	29.5
Heavy Atom Count	18
Formal Charge	0

Physical & Chemical Properties

Boiling Point	100 °C at 0.02 mm Hg; 135 °C at 0.3 mm Hg
Boiling Point	at 101.3kPa: >400 °C
Boiling Point	212 °F at 0.02 mmHg
Melting Point	40-41 °C
Melting Point	39.5 - 41.5 °C
Melting Point	40 °C
Melting Point	104-106 °F
Flash Point	137 °C c.c.
Solubility	In water, 240 mg/L at 25 °C
Solubility	0.24 mg/mL at 25 °C

Physical description & handling notes

• Alachlor is a crystalline solid. Melting point 104-106 °F (40-41 °C). Used as a herbicide.
• Granules or emulsifiable concentrate; [EXTOXNET]
• Solid
• ODOURLESS COLOURLESS-TO-WHITE GREYISH-WHITE SOLID IN VARIOUS FORMS.
• Crystalline cream-colored solid.
• Colorless to white crystalline solid

GHS Hazard Classification

Reported hazard statements	H302, H317, H351, H400, H410, H301 (100%), H335, H371

Documented Uses

• Used as a systemic herbicide; [EXTOXNET] Used as a pre-emergent herbicide to control grasses and broadleaf weeds; [ACGIH] Used in corn, soybeans, dry beans, cotton, sorghum, sunflowers, peanuts, and other crops; [Krieger, p. 1753]
• Herbicide for grasses & broadleaf weeds on corn & sorghum, soybeans, peanuts, cotton, vegetables, forage crops.
• For more Uses (Complete) data for ALACHLOR (8 total), please visit the HSDB record page.
• It is used mainly to control annual grasses and broadleaf weeds in corn (maize), soybeans, and peanuts (L921).
• Information on 3 consumer products that contain Alachlor in the following categories is provided:
• Successive reaction of 2,6-diethylaniline with formaldehyde, chloroacetyl chloride, and methanolic ammonia.

Synonyms

alachlor; 15972-60-8; Lasagrin; Metachlor; Methachlor; Alanex; 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide; Alochlor; Pillarzo; Lasso; Alachlore; LAZO; Chimiclor; Alanox; Lasso micro-tech; Alatox 480

Frequently Asked Questions

What are the CAS number and molecular formula of Alachlor?

CAS 1246817-91-3; molecular formula C14H20ClNO2; molecular weight — g/mol.

What other names is Alachlor known by?

alachlor, 15972-60-8, Lasagrin, Metachlor, Methachlor, Alanex.

Is Alachlor classified as hazardous?

Hazard statements reported: H302, H317, H351, H400, H410.

What are the key physical properties of Alachlor?

Boiling Point: 100 °C at 0.02 mm Hg; 135 °C at 0.3 mm Hg; Boiling Point: at 101.3kPa: >400 °C; Boiling Point: 212 °F at 0.02 mmHg; Melting Point: 40-41 °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.