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1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester

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Name

1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester

EINECS 420-050-0
CAS No. 135158-54-2 Density 1.45 g/cm3
PSA 111.41000 LogP 2.72980
Solubility 7.7 mg l-1 (25 °C) Melting Point 132.9oC
Formula C8H6N2OS2 Boiling Point 331.8 °C at 760 mmHg
Molecular Weight 210.28 Flash Point 154.5 °C
Transport Information N/A Appearance Beige fine powder
Safety 24/25-37-46-59-60-61 Risk Codes 36/37/38-43-50/53
Molecular Structure Molecular Structure of 135158-54-2 (ACIBENZOLAR-S-METHYL) Hazard Symbols Xi,N
Synonyms

7-(Methylthiocarbonyl)-benzo-1,2,3-thiadiazole;

Article Data 10

1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester Synthetic route

74-93-1

methylthiol

124371-49-9

benzothiadiazole-7-carboxylic acid chloride

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Esterification;
With triethylamine In toluene
With sodium hydroxide
124371-49-9

benzothiadiazole-7-carboxylic acid chloride

5188-07-8

sodium thiomethoxide

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
In dichloromethane at 20℃; for 5h;0.12 g
35272-27-6

benzo[d][1,2,3 ]thiadiazol-7-carboxylic acid

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: SOCl2 / 8 h / 90 °C
2: 0.12 g / CH2Cl2 / 5 h / 20 °C
View Scheme
Multi-step reaction with 2 steps
1: SOCl2
View Scheme
Multi-step reaction with 2 steps
1: thionyl chloride
2: sodium hydroxide
View Scheme
23615-90-9

Benzo[1,2,3]thiadiazole-7-nitrile

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 88 percent / KOH / butan-1-ol
2: SOCl2
View Scheme
53553-14-3

2-chloro-3-nitrobenzoic acid methyl ester

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 6 steps
1: 99 percent
2: H2 / Raney nickel / tetrahydrofuran
3: 86 percent / NaNO2; H(+)
4: 98 percent / NaOH; H2O
5: SOCl2
View Scheme
3209-22-1

1,2-Dichloro-3-nitrobenzene

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: K2CO3 / N,N-dimethyl-acetamide
2: Na2S / propan-2-ol; H2O
3: 76 percent / Ni(PPh3)4
4: 97 percent / isoamyl nitrite; HCl / butan-1-ol
5: 88 percent / KOH / butan-1-ol
6: SOCl2
View Scheme
2497-91-8

2-chloro-3,5-dinitrobenzoic acid

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1.1: K2CO3 / dimethylformamide
2.1: K2CO3
3.1: H2 / Raney nickel / tetrahydrofuran
4.1: NaNO2; H(+)
4.2: 65 percent / H3PO2
5.1: 98 percent / NaOH; H2O
6.1: SOCl2
View Scheme
23621-08-1

benzo[1,2,3]thiadiazole-7-carboxylic acid methtyl ester

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: 98 percent / NaOH; H2O
2: SOCl2
View Scheme
3970-35-2

2-chloro-3-nitrobezoic acid

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 7 steps
1: 99 percent / H2SO4
2: 99 percent
3: H2 / Raney nickel / tetrahydrofuran
4: 86 percent / NaNO2; H(+)
5: 98 percent / NaOH; H2O
6: SOCl2
View Scheme
179104-32-6

2-amino-6-chlorophenyl-isopropylsulfane

135158-54-2

S-methyl-benzo[1,2,3]thiadiazole-7-carbothioate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: 76 percent / Ni(PPh3)4
2: 97 percent / isoamyl nitrite; HCl / butan-1-ol
3: 88 percent / KOH / butan-1-ol
4: SOCl2
View Scheme

1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester Specification

The 1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester, with the CAS registry number of 135158-54-2, is also known as 7-(Methylthiocarbonyl)-benzo-1,2,3-thiadiazole. This chemical's molecular formula is C8H6N2OS2 and molecular weight is 210.276. What's more, its IUPAC name is S-Methyl 1,2,3-benzothiadiazole-7-carbothioate. It can induce system acquired resistance in wheat.

Physical properties about the 1,2,3-Benzothiadiazole-7-carbothioicacid, S-methyl ester are: (1)ACD/LogP: 2.18; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): 2.18; (4)ACD/LogD (pH 7.4): 2.18; (5)ACD/BCF (pH 5.5): 26.63; (6)ACD/BCF (pH 7.4): 26.63; (7)ACD/KOC (pH 5.5): 364.71; (8)ACD/KOC (pH 7.4): 364.71; (9)#H bond acceptors: 3; (10)#H bond donors: 0; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 96.39 Å2; (13)Index of Refraction: 1.71; (14)Molar Refractivity: 56.68 cm3; (15)Molar Volume: 144.9 cm3; (16)Surface Tension: 69.3 dyne/cm; (17)Density: 1.45 g/cm3; (18)Flash Point: 154.5 °C; (19)Enthalpy of Vaporization: 57.45 kJ/mol; (20)Boiling Point: 331.8 °C at 760 mmHg; (21)Vapour Pressure: 0.000152 mmHg at 25 °C.

You can still convert the following datas into molecular structure:
(1) SMILES: O=C(SC)c1cccc2nnsc12
(2) InChI: InChI=1/C8H6N2OS2/c1-12-8(11)5-3-2-4-6-7(5)13-10-9-6/h2-4H,1H3
(3) InChIKey: UELITFHSCLAHKR-UHFFFAOYAA

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