Thidiazuron (HCID 40087)

Names & identifiers

Preferred name: Thidiazuron
IUPAC: 1-phenyl-3-(thiadiazol-5-yl)urea
English name: Thidiazuron
Molecular formula: C9H8N4OS
Molecular weight: 220.25

Names & synonyms

THIDIAZURON51707-55-21-Phenyl-3-(1,2,3-thiadiazol-5-yl)ureaDefolitDropp1-phenyl-3-(thiadiazol-5-yl)ureaN-Phenyl-N'-1,2,3-thiadiazol-5-ylureaDTXSID0032651SN 495370091WH7STF(N-1,2,3-Thiadiazolyl-5)-N'-phenylureaDTXCID8012651

Show more names

TDZThiadiazuronThidiazuroneLiftsn49537AvguronDROPP(R)Dropp SC

RefChem:189333N'-phenyl-N-(1,2,3-thiadiazol-5-yl)carbamimidic acid257-356-7Urea, N-phenyl-N'-1,2,3-thiadiazol-5-yl-C9H8N4OSMFCD000787235-Phenylcarbamoylamino-1,2,3-thiadiazoleCHEMBL505661

Database identifiers

CAS: 51707-55-2
PubChem CID: 40087
DTXSID: DTXSID0032651
ChEMBL: CHEMBL505661
ChEBI: CHEBI:81977
UNII: 0091WH7STF
EC Number: 257-356-7
Nikkaji: J11.216J

Properties

Computed structural properties

XLogP: 1.3
Topological polar surface area: 95.2 Å²
Hydrogen bond donors: 2
Hydrogen bond acceptors: 4
Rotatable bonds: 2
Heavy atoms: 15
Formal charge: 0
Complexity: 220

Physicochemical properties

Melting point: 213 °C · 213°C
Density: 1.3493 · 1.3493 (rough estimate)
refractive index: 1.639 · 1.6390 (estimate)
storage temp.: 2 · Sealed in dry,2-8°C
solubility: Soluble in DMSO
pka: 12.06 · 12.06±0.70(Predicted)
form: Solid
color: Light yellow to yellow
Merck: 13 · 13,9384
BRN: 1078092 · 1078092
Henry's Law Constant: 3 · 3.0×107 mol/(m3Pa) at 25℃, HSDB (2015)
Major Application: agriculture
InChI: InChI=1S/C9H8N4OS/c14-9(12-8-6-10-13-15-8)11-7-4-2-1-3-5-7/h1-6H,(H2,11,12,14)
InChIKey: HFCYZXMHUIHAQI-UHFFFAOYSA-N
SMILES: N(C1=CC=CC=C1)C(NC1SN=NC=1)=O
CAS DataBase Reference: 51707 · 51707-55-2(CAS DataBase Reference)
FDA UNII: 91 WH7STF · 0091WH7STF
Pesticides Freedom of Information Act (FOIA): Thidiazuron
EPA Substance Registry System: Thidiazuron (51707-55-2)
UNSPSC Code: 41116107 · 41116107
NACRES: 72 · NA.72
Symbol(GHS): 7 · GHS07,GHS09
Signal word: Warning
Hazard statements: 315 · H315-H319-H335-H410
Precautionary statements: 261 · P261-P264-P271-P273-P302+P352-P305+P351+P338
target organs: Respiratory system
PPE: 95 · dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Hazard Codes: Xi,N
Risk Statements: 36 · 36/37/38-51/53
Safety Statements: 22 · 22-26-36-61
RIDADR: 3077 · UN 3077 9 / PGIII
WGK Germany: 3 · 3
RTECS: 1395000 · YU1395000
HS Code: 2934999090 · 2934999090
Storage Class: 11 · 11 - Combustible Solids
Hazard Classifications: 1 Aquatic · Aquatic Acute 1Aquatic Chronic 1Eye Irrit. 2Skin Irrit. 2STOT SE 3
Hazardous Substances Data: 51707 · 51707-55-2(Hazardous Substances Data)
Toxicity: 50 · LC50 (96-hour) for bluegill sunsh, channel catsh 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).

Safety & regulation

Safety data

PPE: dust mask type N95 (US), Eyeshields, Faceshields, Gloves
wgk: 3
rtecs: YU1395000
ridadr: UN 3077 9 / PGIII
hs_code: 2934999090
Toxicity: LC50 (96-hour) for bluegill sunsh, channel catsh 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).
risk_code: 36/37/38-51/53
Signal word: Warning
Symbol(GHS): GHS07,GHS09
hazard_code: Xi,N
safety_code: 22-26-36-61
Storage Class: 11 - Combustible Solids
target organs: Respiratory system
Hazard statements: H315-H319-H335-H410
Hazard Classifications: Aquatic Acute 1Aquatic Chronic 1Eye Irrit. 2Skin Irrit. 2STOT SE 3
Precautionary statements: P261-P264-P271-P273-P302+P352-P305+P351+P338
Hazardous Substances Data: 51707-55-2(Hazardous Substances Data)

Chemistry & industry

Applications · 3 items

UsesThidiazuron 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.

UsesPlant growth regulator used to defoliate cotton to facilitate harvesting.

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

Upstream & downstream products

Upstream raw materials

Suppliers50 total

国药集团化学试剂有限公司86-21-63210123 · [email protected]

北京华美互利生物化工010-56205725 · [email protected]

上海阿拉丁生化科技股份有限公司400-6206333 13167063860 · [email protected]

Shandong chuangyingchemical Co., Ltd.18853181302 · [email protected]

武汉远启医药化工有限公司18971192297 · [email protected]

Additional notes

DefinitionChEBI: Thidiazuron is a member of ureas.

Related reactions

2 records

New reaction record

HRID 811984As productTest data from https://doi.org/10.1039/C8SC04228D

HRID 848030As productuspto-grants-1981_10

Linked notes

Loading…

Basic information