Thidiazuron
Suppliers
Names
[ CAS No. ]:
51707-55-2
[ Name ]:
Thidiazuron
[Synonym ]:
1-Phenyl-3-(1,2,3-thiadiazol-5-yl)urea
1-phenyl-3-(thiadiazol-5-yl)urea
Methanol, 1-(phenylimino)-1-(1,2,3-thiadiazol-5-ylamino)-, (E)-
Thidiazuron
Urea, N-phenyl-N'-1,2,3-thiadiazol-5-yl-
N-phenyl-N’-1,2,3-thiadiazol-5-ylurea
MFCD00078723
EINECS 257-356-7
N'-Phenyl-N-1,2,3-thiadiazol-5-ylcarbamimidic acid
Chemical & Physical Properties
[ Density]:
1.5±0.1 g/cm3
[ Boiling Point ]:
410.5±55.0 °C at 760 mmHg
[ Melting Point ]:
213°C
[ Molecular Formula ]:
C9H8N4OS
[ Molecular Weight ]:
220.25
[ Flash Point ]:
202.1±31.5 °C
[ Exact Mass ]:
220.041885
[ PSA ]:
95.15000
[ LogP ]:
1.81
[ Vapour Pressure ]:
0.0±1.0 mmHg at 25°C
[ Index of Refraction ]:
1.722
MSDS
Toxicological Information
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YU1395000
- CHEMICAL NAME :
- Urea, 1-phenyl-3-(1,2,3-thiadiazol-5-yl)-
- CAS REGISTRY NUMBER :
- 51707-55-2
- LAST UPDATED :
- 199612
- DATA ITEMS CITED :
- 12
- MOLECULAR FORMULA :
- C9-H8-N4-O-S
- MOLECULAR WEIGHT :
- 220.27
- WISWESSER LINE NOTATION :
- T5NNSJ DMVMR
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 5350 mg/kg
- TOXIC EFFECTS :
- Behavioral - excitement
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984
- TYPE OF TEST :
- LC50 - Lethal concentration, 50 percent kill
- ROUTE OF EXPOSURE :
- Inhalation
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- >2300 mg/m3/4H
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,813,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 4200 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C118,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 3740 mg/kg
- TOXIC EFFECTS :
- Behavioral - excitement
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 7100 mg/kg
- TOXIC EFFECTS :
- Behavioral - excitement
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >1 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,813,1991
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - guinea pig
- DOSE/DURATION :
- 2813 mg/kg
- TOXIC EFFECTS :
- Behavioral - excitement
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Bird - quail
- DOSE/DURATION :
- >16 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,813,1991 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 31892 mg/kg/17W-I
- TOXIC EFFECTS :
- Endocrine - evidence of thyroid hypofunction Blood - methemoglobinemia-carboxyhemoglobin Blood - changes in erythrocyte (RBC) count
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 32207 mg/kg/43W-I
- TOXIC EFFECTS :
- Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Metabolism (Intermediary) - lipids including transport
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 813 mg/kg
- SEX/DURATION :
- male 76 day(s) pre-mating
- TOXIC EFFECTS :
- Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 49(1),72,1984 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989
Safety Information
[ Symbol ]:
GHS07, GHS09
[ Signal Word ]:
Warning
[ Hazard Statements ]:
H315-H319-H335-H410
[ Precautionary Statements ]:
P273-P305 + P351 + P338-P391-P501
[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves
[ Hazard Codes ]:
Xi: Irritant;
[ Risk Phrases ]:
R36/37/38
[ Safety Phrases ]:
S22-S26-S36
[ RIDADR ]:
UN 3077 9 / PGIII
[ WGK Germany ]:
3
[ RTECS ]:
YU1395000
Articles
Bioorg. Med. Chem. Lett. 19 , 6793-6, (2009)
The screening of known medicinal agents against new biological targets has been shown to be a valuable approach for revealing new pharmacology of marketed compounds. Recently, carbamate, urea and keto...
Appl. Biochem. Biotechnol. 168(5) , 957-66, (2012)
The effect of thidiazuron (TDZ) has been investigated in shoot multiplication for a simple, efficient, rapid, and commercially applicable regeneration protocol of an important medicinal plant, Vitex t...
Planta Med. 75 , 1618-1624, (2009)
IN VITRO plant regeneration of Gentiana macrophylla Pall. and determination of gentiopicroside content during somatic embryogenesis are described in the present work. The highest percentage of embryog...