ChemicalBook > CAS DataBase List > Thidiazuron

Thidiazuron

Product Name
Thidiazuron
CAS No.
51707-55-2
Chemical Name
Thidiazuron
Synonyms
TDZ;Thiadiazuron;Thidiazurone;Lift;DROPP;defolit;sn49537;Avguron;DROPP(R);Dropp SC
CBNumber
CB3684289
Molecular Formula
C9H8N4OS
Formula Weight
220.25
MOL File
51707-55-2.mol
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Thidiazuron Property

Melting point:
213°C
Density 
1.3493 (rough estimate)
refractive index 
1.6390 (estimate)
storage temp. 
Sealed in dry,2-8°C
solubility 
Soluble in DMSO
pka
12.06±0.70(Predicted)
Merck 
13,9384
BRN 
1078092
InChIKey
HFCYZXMHUIHAQI-UHFFFAOYSA-N
CAS DataBase Reference
51707-55-2(CAS DataBase Reference)
EPA Substance Registry System
Thidiazuron (51707-55-2)
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Safety

Hazard Codes 
Xi,N
Risk Statements 
36/37/38-51/53
Safety Statements 
22-26-36-61
RIDADR 
UN 3077 9 / PGIII
WGK Germany 
3
RTECS 
YU1395000
HS Code 
2934999090
Hazardous Substances Data
51707-55-2(Hazardous Substances Data)
Toxicity
LC50 (96-hour) for bluegill sun?sh, channel cat?sh and rainbow trout >1,000 mg/L (Hartley and Kidd, 1987); acute oral LD50 for rats >5,000 mg/kg (Hartley and Kidd, 1987), 5,350 mg/kg (RTECS, 1985).
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P273Avoid release to the environment.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
P6186
Product name
Thidiazuron
Purity
plant cell culture tested, BioReagent
Packaging
25mg
Price
$161
Updated
2024/03/01
Sigma-Aldrich
Product number
45686
Product name
Thidiazuron
Purity
PESTANAL , analytical standard
Packaging
250mg
Price
$105
Updated
2024/03/01
Alfa Aesar
Product number
J66663
Product name
Thidiazuron
Packaging
250mg
Price
$366
Updated
2023/06/20
Cayman Chemical
Product number
17272
Product name
Thidiazuron
Purity
≥98%
Packaging
100mg
Price
$64
Updated
2024/03/01
Cayman Chemical
Product number
17272
Product name
Thidiazuron
Purity
≥98%
Packaging
1g
Price
$244
Updated
2023/06/20
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Thidiazuron Chemical Properties,Usage,Production

Chemical Properties

The pure product is a white odorless and tasteless crystalline solid. m.p.210~212.5°C (decomposition at 217°C), vapor pressure 4×10-9Pa) (25°C). Solubility at 25°C: dimethyl sulfoxide>500g/L, dimethylformamide>500g/L, cyclohexanone 21.5g/L, acetone 8g/L, methanol 4.5g/L, ethyl acetate 0.8 g/L, hexane 6mg/L, insoluble in aliphatic and aromatic hydrocarbons, solubility in water 31mg/L. The partition coefficient is 59 (pH=7.3). Stable below 200°C; stable to water at room temperature, half-life > 24d; half-life in soil < 60d.

Uses

Thidiazuron is a non-purine containing urea derivative with cytokinin activity. Thidiazuron is used as a cotton defoliant and a plant growth regulator in tissue culture.

Uses

Plant growth regulator used to defoliate cotton to facilitate harvesting.

Definition

ChEBI: Thidiazuron is a member of ureas.

General Description

Thidiazuron is a systemic herbicide, widely employed as an effective plant growth regulator and pre-harvest defoliant for crops such as cotton.

Agricultural Uses

Thidiazuron is substituted urea that is used to defoliate cotton plants. Thidiazuron, which has cytokinin activity, is one of the many harvesting aids needed in agriculture.

Agricultural Uses

Herbicide, Defoliant, Plant growth regulator: Used primarily as a cotton defoliant in order to increase the harvest yield. Not applied to food crops. Not approved for use in EU countries. Registered for use in the U.S. U.S. Maximum Allowable Residue Levels for Thidiazuron and its aniline-containing metabolites in or on the following food commodities: [40 CFR 180.403(a)]: cattle, fat 0.4 ppm; cattle, meat 0.4 ppm; cattle, meat byproducts 0.4 ppm; cotton, gin byproducts 24.0 ppm; cotton, undelinted seed 0.3 ppm; goat, fat 0.4 ppm; goat meat 0.4 ppm; goat, meat byproducts 0.4 ppm; hog, fat 0.4 ppm; hog, meat 0.4 ppm; hog, meat byproducts 0.4 ppm; horse, fat 0.4 ppm; horse, meat 0.4 ppm; horse, meat byproducts 0.4 ppm; milk 0.05 ppm; sheep, fat 0.4 ppm; sheep, meat 0.4 ppm; sheep, meat byproducts 0.4 ppm.

Trade name

DAZE®; DEFOLIT®; DROPP®; GINSTAR EC® (thidiazuron + diuron); LEAFLESS® Tthidiazuron; SN 49537®

Safety Profile

Moderately toxic by ingestion. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and NOx.

Environmental Fate

Soil. The reported half-life in soil is approximately 26–144 days (Hartley and Kidd, 1987).
Photolytic. Rapidly converted to the photoisomer, 1-phenyl-3-(1,2,5-thiadiazol-3- yl)urea (Worthing and Hance, 1991). When thidiazuron adsorbed by soil was exposed to UV light (λ <290 nm), 1-phenyl-3-(1,2,5-thiadiazol-3-yl)urea formed as the majo

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View Lastest Price from Thidiazuron manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD
Product
Thidiazuron 51707-55-2
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
1000kg/month
Release date
2023-01-04
Hebei Mojin Biotechnology Co., Ltd
Product
Thidiazuron 51707-55-2
Price
US $100.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
5000kg/week
Release date
2021-07-09
XINGTAI XINGJIU NEW MATERIAL TECHNOLOGY CO., LTD
Product
Thidiazuron 51707-55-2
Price
US $4.00/KG
Min. Order
1KG
Purity
0.99
Supply Ability
3t
Release date
2022-01-10

51707-55-2, ThidiazuronRelated Search:


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