M
onosodium methanearsenate
(MSMA)
Specification:
480SL, 720SL, 800SL, 860SL, 890SL
Chemical Name:
monosodium methylarsonate
Formula:
CH
4
AsNaO
3
Molecular Weight:
161.95
CAS
No.
:
2163-80-6
Description:
Appearance: pure is colorless crystal, product is l
ight green solution
Melting Point:
113-116
ºC
.
Stability:
Soluble in water and methanol
Toxicity
Acute oral LD50: 1250 mg/kg rats
MSMA is especially toxic to ruminants.
Acute oral LD50 to cattle is 250 mg/kg.
Acute dermal LD50: > 2500 mg/kg rats
Acute inhalation LC50 (technical): > 20 mg//4 hours in rats
Skin irritation: Mild irritant.
Eye irritation: Mild irritant.
Other Effects:
Animal studies did not detect teratogenic effects and mutagenic effects.
Arsenic and soluble arsenic compounds are classified as Class 1 carcinogens by NOHSC and IARC.
Application
A selective systemic herbicide for the control of Rottboellia exaltata, annual grasses, nutsedges and certain broadleaf weeds in cotton, lawns and sugar cane for total weed control in industrial areas.
Name of product
|
MSMA 720SL
|
Index name
|
Index value
|
Measured value
|
Description
|
Light yellow or green Liquid
|
Light yellow Liquid
|
Content (g/l)
|
≥720
|
722
|
PH Value
|
5.0-8.0
|
6.5
|
Dissociate Phenol (%)
|
≤0.5
|
0.2
|
HANGZHOU TIANLONG BIOTECHNOLOGY CO., LTD.
Office Add: Room 1906,Fengqi Times Tower, No.338 Fengqi East Road, Hangzhou, Zhejiang, China.
HANGZHOU TIANLONG BIOTECHNOLOGY CO., LTD.
Office Add: Room 1906,Fengqi Times Tower, No.338 Fengqi East Road, Hangzhou, Zhejiang, China.