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2-Mercaptobenzothiazole

2-Mercaptobenzothiazole structure

CAS No:
149-30-4
Formula:
C7H5NS2
Chemical Name:
2-Mercaptobenzothiazole
Synonyms:
2(3H)-Benzothiazolethione;2-Benzothiazolethiol;2-Benzothiazolinethione;Captax;MBT;2-Mercaptobenzothiazole;2-Mercaptobenzthiazole;Mertax;Nuodeb 84;Rotax;Royal MBT;Thiotax;Mercaptobenzothiazole;Pneumax MBT;Mercaptobenzthiazole;Soxinol M;Vulkacit Mercapto;Ekagom G;Vulkacit M;Kaptax;Dermacid;Accelerator M;Kaptaks;2-MBT;Mebetizole;Mebithizol;Vulkacit Mercapto/C;Accel M;2-Benzothiazolyl mercaptan;Nocceler M;MBT (vulcanization accelerator);Aero Promoter 412;Sanceler M;Vulkacit Mercapto/MG;2,3-Dihydrobenzothiazole-2-thione;Mebetizol;Wobezit M;Nonflex NB;Benz-1,3-thiazolidine-2-thione;1,3-Benzothiazole-2-thione;Vulkafil ZN 94TT01;2-Sulfanylbenzothiazole;Nocceler M-P;Perkacit MBT;1,3-Benzothiazole-2-thiol;NSC 2041;Vulkacit Mercapto MG/C;Aero 407;Sanceler M-G;Benzothiazolethiol;Benzo[d]thiazole-2-thiol;2-Mercapto-1H-benzothiazole;Oricel M;RU 3;Captax MBT;DT 402;OCID;M 2;M 2 (rust inhibitor);accelerator MBT;NB;Rubator MBT;MBT-2;Accelerant M;Rhenogran MBT 80;MBT 80;2,3-Dihydro-1,3-benzothiazole-2-thione;2-Mercaptobenzo[d]thiazole;Rhenogran MBT;1321-08-0;4464-58-8;12640-90-3;55199-93-4;81605-65-4;112242-83-8;119170-41-1;885216-62-6;2213445-86-2
Categories:
Agrochemicals > Pesticide Intermediates

Description

beige or light yellow powder with a faint odourChEBI: 1,3-Benzothiazole substituted at the 2-position with a sulfanyl group.Pale yellow to tan crystalline powder with a disagreeable odor.

2-Mercaptobenzothiazole Basic Attributes

Molecular Weight：

167.25100

Exact Mass：

167.25

EC Number：

205-736-8

HScode：

29342020

Characteristics

PSA：

79.93000

XLogP3：

2.58500

Appearance：

2-mercaptobenzothiazole is a pale yellow to tan crystalline powder with a disagreeable odor. (NTP, 1992)

Density：

1.42 g/cm³

Melting Point：

180.2-181.7 °C

Boiling Point：

305ºC at 760 mmHg

Flash Point：

243ºC (dec.)

Refractive Index：

1.783

Water Solubility：

Solubility in water, g/100ml at 20°C: 0.01 (very poor)

Storage Conditions：

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Vapor Pressure：

0.000844mmHg at 25°C

Toxicity：

LD50 orally in Rabbit: 1680 mg/kg LD50 dermal Rabbit > 7940 mg/kg

Explosive limit：

vol% in air: 15

Odor：

Disagreeable odor

Taste：

Bitter taste

Safety Information

Packing level：

I; II; III

Hazard category：

6.1

Transport codes：

UN 3077

wgk germany：

hazard class code：

R43; R50/53

safety instructions：

S24-S37-S60-S61

RTECS Number：

DL6475000

Marks：

Storage features：

Store only in original container. Separated from acids and oxidizing materials. Store in an area without drain or sewer access. Provision to contain effluent from fire extinguishing.

Stability/Shelf Life：

Stable. Incompatible with strong oxidizing agents. Flammable.

Precautionary statement(s)：

P273-P280-P501

Hazard Statements：

H317-H410

2-Mercaptobenzothiazole Use and Manufacturing

2-Mercaptobenzothiazole is an intermediate of the herbicide benzothiazide, as well as a rubber accelerator and its intermediate. 2-Mercaptobenzothiazole is a general-purpose vulcanization accelerator widely used in various rubbers. It has a rapid promotion effect on natural rubber and synthetic rubber usually vulcanized with sulfur. However, the use of zinc oxide, fatty acid and other activation is required. Often used in combination with other accelerator systems, such as dithiothiuram and tellurium dithiocarbamate can be used as an accelerator for butyl rubber; used in combination with a tribasic lead maleate chemicalbook, can be used for light colors Water-resistant chlorosulfonated polyethylene compound. It is often used in combination with dithiocarbamate in latex, and can be vulcanized at room temperature when used with diethyldithiocarbamate diethylamine. The product is easy to disperse in rubber and does not pollute. However, due to its bitter taste, it is not suitable for food contact rubber products. Accelerator M is an intermediate of accelerators MZ, DM, NS, DIBS, CA, DZ, NOBS, MDB, etc. 2-mercaptobenzothiazole with 1-amino-4-nitroanthraquinone and potassium carbonate in dimethyl Reflux in formamide for 3h to prepare dye-dispersed brilliant red S-GL (CIDisperseRed121). This dye is used for dyeing polyester and its blended fabrics. When 2-mercaptobenzothiazole is used as an electroplating additive, it is also called acid copper plating brightener M, and it is used as a spreading brightener in bright copper plating with copper sulfate as the main salt. In addition, the product is also used to prepare pesticide fungicides, nitrogen fertilizer synergists, oil removal and lubrication additives, organic anti-ashing agents in photographic chemistry, metal corrosion inhibitors, etc. In addition, it is a reagent for chemical analysis. The product has low toxicity and has a stimulating effect on the skin and mucous membranes.

Computed Properties

Molecular Weight:167.3
XLogP3:2.4
Hydrogen Bond Donor Count:1
Hydrogen Bond Acceptor Count:2
Exact Mass:166.98634151
Monoisotopic Mass:166.98634151
Topological Polar Surface Area:69.4
Heavy Atom Count:10
Complexity:158
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

Material

Sodium hydroxide

Sodium hydrosulfide

Aniline

Sulfuric acid

7-Aminocephalosporanic acid

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