Organophosphorus herbicides Toxicity Chemical properties Uses Production methods
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Glufosinate-ammonium

Organophosphorus herbicides Toxicity Chemical properties Uses Production methods
Product Name
Glufosinate-ammonium
CAS No.
77182-82-2
Chemical Name
Glufosinate-ammonium
Synonyms
glufosinate;BASTA;Ammonium glufosinate;LIBERTY;finale14sl;dl-phosphinothricin;glufodinate ammonium;DL-Phosphinothricin ammonium salt;finale;ignite
CBNumber
CB2697882
Molecular Formula
C5H18N3O4P
Formula Weight
215.19
MOL File
77182-82-2.mol
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Glufosinate-ammonium Property

Melting point:
210°C
Boiling point:
519℃
Density 
1.4 g/cm3
Flash point:
100 °C
storage temp. 
Keep in dark place,Inert atmosphere,2-8°C
solubility 
Methanol (Slightly), Water (Soluble)
pka
9.15[at 20 ℃]
color 
White to Beige
Water Solubility 
Soluble in water
Merck 
13,7425
BRN 
8163399
Stability:
Stable. Incompatible with strong oxidizing agents.
InChIKey
ZBMRKNMTMPPMMK-UHFFFAOYSA-N
LogP
-4.01 at 25℃
CAS DataBase Reference
77182-82-2(CAS DataBase Reference)
EPA Substance Registry System
Glufosinate-ammonium (77182-82-2)
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Safety

Hazard Codes 
Xn,T
Risk Statements 
22-48/20/22-20/21/22-63-60
Safety Statements 
53-45-24/25
RIDADR 
2588
WGK Germany 
1
RTECS 
EK7713600
HazardClass 
6.1(b)
PackingGroup 
III
HS Code 
29319019
Hazardous Substances Data
77182-82-2(Hazardous Substances Data)
Toxicity
LD50 in male, female mice, male, female rats (mg/kg): 431, 416, 2000, 1620 orally (Langelüddeke)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P308+P313IF exposed or concerned: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
49677
Product name
Glufosinate-ammonium
Purity
certified reference material, TraceCERT?
Packaging
100MG
Price
$126
Updated
2024/03/01
Sigma-Aldrich
Product number
45520
Product name
Glufosinate-ammonium
Purity
PESTANAL
Packaging
100mg
Price
$75.1
Updated
2024/03/01
Alfa Aesar
Product number
J66186
Product name
Glufosinate ammonium, 95%
Packaging
250mg
Price
$125
Updated
2024/03/01
Alfa Aesar
Product number
J66186
Product name
Glufosinate ammonium, 95%
Packaging
1g
Price
$368
Updated
2024/03/01
Cayman Chemical
Product number
16675
Product name
Glufosinate (ammonium salt)
Purity
≥95%
Packaging
1g
Price
$250
Updated
2021/12/16
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Glufosinate-ammonium Chemical Properties,Usage,Production

Organophosphorus herbicides

Glufosinate-ammonium, also known as glufosinate, is a non-selective foliar application of organic phosphorus herbicide, in 1979 first developed by the Federal Republic of Germany Hoechst (Hoechst) chemical synthesis company. Weeding mechanism of Glufosinate-ammonium is absorbed by the blade, having a part suction effect, can be transferred from the base of the blade to the ends, transferred less to other parts of the plant, is harmless for not unearthed shoots and seeds. Plants Glufosinate-ammonium metabolism is disordered in a short period after drug application, a strong cytotoxic agent Glufosinate-ammonium ion is accumulated in plants; poisoned the plant to die. While also severely inhibited photosynthesis, injured plants was yellowish white after lose of the green, after 2 to 5 days, turned yellow and died. After contacted with the soil, lost activity, it should only for spray of stem and leaf at postemergence.
Applications: Glufosinate-ammonium is mainly used for destuctive weeding of orchards, vineyards, potato fields, nurseries, forests, pastures, ornamental shrubs and free arable, prevention and weeding of annual and perennial weeds such as foxtail, wild oats, crabgrass , barnyard grass, green foxtail, bluegrass, quackgrass, bermudagrass, bentgrass, reeds, fescue, etc. Also prevention and weeding of broadleaf weeds such as quinoa, amaranth, smartweed, chestnut, black nightshade, chickweed, purslane, cleavers, sonchus, thistle, field bindweed, dandelion, also have some effect on sedges and ferns. When broadleaf weeds in the beginning of growing season and grass weeds in tillering period, dosage of 0.7 to 1.2 kg/hectare was sprayed on weed populations, period of weed control is 4 to 6 weeks, administration again if necessary, can significantly extend the validity period. Potato field should be used in the pre-emergence, it can also be sprayed before harvest, killing and weeding ground stubble, so as to harvest. Prevention and weeding of ferns, dosage of per hectare is 1.5 to 2 kg. Usually alone, sometimes it can also be mixed with simajine, diuron or methylchloro phenoxyacetic acid, and so on.

Figure 1 The chemical structural formula of Glufosinate-ammonium.
The above information is edited by the chemicalbook of Liu Yujie.

Toxicity

Male rats acute oral LD50 is 2000 mg/kg, female rats is 1620 mg/kg; male mice acute oral LD50 is 431 mg/kg, female mice is 416 mg/kg; dog acute oral LD50 is 200~400 mg/kg. Male rats acute percutaneous LD50 is > 2000 mg/kg, female rats is 4000 mg/kg. No teratogenic and carcinogenic effects. Rainbow trout LC50 is 320mg/L (96h).

Chemical properties

Low solubility in common organic solvents, solubility in water is large. At pH 5-9, hydrolysis, half-life of soil is <10d. Light stability.

Uses

Organophosphorus herbicides, glutamine synthetase inhibitors, non-selective contact herbicide. There are certain suction effect, can be used for weeding of orchards, vineyards and non-cultivated land, can also be used for prevention and weeding of annual and perennial dicotyledonous weeds and sedges in potato field, such as rat tail foxtail, crabgrass, barnyardgrass, foxtail, wild wheat, wild corn, cocksfoot, fescue, deschampsia flexuosa, hair grass, ryegrass, reed, bluegrass, wild oat, brome, cleavers, henbit, lamium, solanum nigrum, chickweed, quackgrass, bentgrass, calamagrostis grass, field forget-grass, bermuda grass, amaranthus. Depending on crops and weeds, the amount of use varies, the usage amount of per hectare is 1~2 kg or more , such as prevention and weeding of raspberry crops and fern in forests and alpine pastures. Usage amount is 1.5~20kg/hm2.

Production methods

The O, O-diethyl methyl phosphonate reacted with dibromoethane reaction, heated at 80 ℃ for 2 h to get BrCH2CH2P (O) (OC2H5) CH3, and then reacted with (C2H5O2C) 2CNa (NHCOCH3) at 85 ℃to get ( C2H5O2C) 2C (NHCOCH3) CH2CH2P (O) (OC2H5) CH3, which was refluxed with hydrochloric acid, the resulting compound reacted with 28% Glufosinate-ammonium hydroxide for 8 h at 60~70 ℃ to obtain Glufosinate-ammonium.
In addition, synthesis of Glufosinate-ammonium included high-pressure catalytic synthesis method, low-temperature of targeting synthesis, using Strecker reaction and Mitchell addition process ,and so on. See "Pesticides" issue 9, 2002.

Description

Glufosinate ammonium is a broad-spectrum contact killing herbicide with the chemical formula c5h15n2o4p and the amount of chemical formula 198.16. It has the characteristics of wide herbicidal spectrum, low toxicity, high activity and good environmental compatibility. It is one of the most widely-applied broad-spectrum herbicides, controlling weeds in a huge variety of crops worldwide. Its unique mode of action makes it ideal to be used in rotation with other herbicides to mitigate weed resistance.

Chemical Properties

It is characterized as a highly soluble and volatile white to light yellow crystalline solid with a slightly pungent odor, and exposure occurs by inhalation, ingestion, or contact. It is hydrolyzed when the pH value is 5-9, and the half-life in soil is <10d. Stable to light.

Uses

Used as a herbicide that can be applied post-emergence in noncrop areas and as a directed spray in field-grown and container nursery stock. It is nonselective and controls a broad spectrum and annual and perennial grass and broadleaf weeds.

Agricultural Uses

Herbicide: Glufosinate-ammonium is a naturally occurring broad-spectrum contact herbicide that is used to control a wide range of weeds after the crop emerges or for total vegetation control on non-crop lands. It is used on crops that have been genetically engineered. Glufosinate herbicides are also used to desiccate crops before harvest.

Trade name

BASTA®; DERRINGER®; FINALE®; HOE 00661®; HOE 03986®; HOE 39866®; IGNITE®; LIBERTY®; RELY®; REMOVE®; RUBOUT®; TOTAL®

Safety Profile

A poison by ingestion,subcutaneous, and intraperitoneal routes. Low toxicity byskin contact. Human systemic effects by ingestion: bloodpressure lowering, change in motor activity, coma,cyanosis. When heated to decomposition it emits toxicvapors of NO

Mode of action

Glufosinate-ammonium is a plant protection product that works by inhibiting an enzyme central to plant metabolism. Plants absorb this substance primarily through their leaves and other green parts. As a contact herbicide, Glufosinate-ammonium is effective only where it comes into contact with the plant. This allows it to control weeds without affecting the roots or requiring tillage, which is important especially for erosion-prone areas such as slopes.

Glufosinate-ammonium Preparation Products And Raw materials

Raw materials

Preparation Products

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Glufosinate-ammonium Suppliers

Raw material medicin reagent co.,Ltd
Tel
025-57798860
Email
sales@njromanme.com
Country
China
ProdList
4534
Advantage
58
JiangSu Star Science Co.,Ltd
Tel
400-605-7200 17312445705
Email
sales022@b2star.com
Country
China
ProdList
3764
Advantage
58
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
shilang(zhuoli group)-pharma(nanjing) co.,ltd.
Tel
86-25-87797880,81,82 -809
Fax
86-25-85318152
Email
shilang@shilang-pharma.com
Country
China
ProdList
40
Advantage
55
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Capot Chemical Co., Ltd
Tel
+86 (0) 571 85 58 67 18
Fax
0086-571-85864795
Email
sales@capotchem.com
Country
China
ProdList
18217
Advantage
66
Nanjing Chemlin Chemical Co., Ltd
Tel
025-83697070 13913916777;
Fax
+86-25-83453306
Email
info@chemlin.com.cn
Country
China
ProdList
17839
Advantage
64
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32344
Advantage
50
BEST-REAGENT
Tel
400-1166-196 18981987031
Fax
028-84555506 800101999
Email
cdhxsj@163.com
Country
China
ProdList
11726
Advantage
57
China Langchem Inc.
Tel
0086-21-58956006
Fax
0086-21-58956100
Country
China
ProdList
7815
Advantage
57
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View Lastest Price from Glufosinate-ammonium manufacturers

qingdao trust agri chemical co.,ltd
Product
Glufosinate ammonium 77182-82-2
Price
US $0.00/kg
Min. Order
1kg
Purity
97%
Supply Ability
20000
Release date
2024-02-22
Henan Bao Enluo International TradeCo.,LTD
Product
Glufosinate-ammonium 77182-82-2
Price
US $20.00/kg
Min. Order
1kg
Purity
99.99%
Supply Ability
50000tons
Release date
2023-08-10
Weijer International Trade (Hebei) Co., Ltd
Product
Glufosinate ammonium 77182-82-2
Price
US $180.00/KG
Min. Order
1KG
Purity
>99%
Supply Ability
50000kg/Month
Release date
2023-03-21

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