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Zinc mercaptobenzothiazole

HCID 9071
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Basic information

CAS
155-04-4
Standard SMILES
[S-]c1nc2ccccc2s1.[S-]c1nc2ccccc2s1.[Zn+2]
InChIKey
PGNWIWKMXVDXHP-UHFFFAOYSA-L
Molecular formula
C14H8N2S4Zn
Average molar mass
397.9 g/mol
Monoisotopic mass
395.886175

Names & identifiers

Preferred name
Zinc mercaptobenzothiazole
IUPAC
zinc bis(1,3-benzothiazole-2-thiolate)
English name
Zinc 2-mercaptobenzothiazole
Molecular formula
C14H8N2S4Zn
Molecular weight
397.88

Names & synonyms

Zinc 2-mercaptobenzothiazole155-04-4Bantex2-Mercaptobenzothiazole zinc saltZeniteZetaxZenite specialVulkacit ZMHermat Zn-mbtPennac ZTTisperse MB-58Zinc 2-benzothiazolethiolate
Show more names
ZMBTvulkacitzmznmboxafpennacztusafgy-7Zinc MBT
Caswell No. 917ZINC MERCAPTOBENZOTHIAZOLEZinc benzothiazolethiolateHMM5IX9Q3BUSAF GY-7Zinc mercaptobenzothiazolateZinc benzothiazolylmercaptideBis(2-benzothiazolylthio)zinc

Database identifiers

CAS
155-04-4
PubChem CID
9071
DTXSID
DTXSID6020808
UNII
HMM5IX9Q3B
EC Number
205-840-3
Nikkaji
J6.128J

Properties

Computed structural properties

Topological polar surface area
84.3 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
6
Rotatable bonds
0
Heavy atoms
21
Formal charge
0
Complexity
129

Experimental & physicochemical properties

PolymersPlastics & Rubber -> Rubber Additives
Density1.7 AT 25 °C/4 °C
Color/FormLIGHT YELLOW POWDER
Decompositionwhen heated to decomp ... emits toxic fumes of /sulfur oxides, nitrogen oxides and zinc/.
Food Contact SubstancesFCS -> FDA Inventory of Food Contact Substances Listed in 21 CFR
Physical Description · 2 items

Dry Powder

Light yellow solid; [HSDB] Cream to pale yellow powder; [MSDSonline]

Physicochemical properties

Melting point
330 °C · 330 °C
Density
1.7 g/cm3 · 1.7 g/cm3(Temp: 25 °C)
storage temp.
Refrigerator
solubility
Acidic Methanol (Slightly, Heated)
form
Solid
pka
7.03 · 7.03[at 20 ℃]

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 6 items

This chemical does not meet GHS hazard criteria for 4.5% (24 of 539) of reports.

Warning

H317 (93.7%): May cause an allergic skin reaction [Warning Sensitization, Skin]

P261, P272, P273, P280, P302+P352, P321, P333+P317, P362+P364, P391, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 539 reports by companies from 20 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Warning

Hazard information

Regulatory Information · 4 items

Chemical: 2(3H)-Benzothiazolethione, zinc salt (2:1)

2(3H)-Benzothiazolethione, zinc salt (2:1) is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 2(3H)-Benzothiazolethione, zinc salt (2:1) are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)

REACH registered substance: Zinc di(benzothiazol-2-yl) disulphide (EC: 205-840-3)

Zinc 2-mercaptobenzothiazole: Does not have an individual approval but may be used under an appropriate group standard

Other Safety InformationIMAP assessments - Mercaptobenzothiazole and its salts: Human health tier II assessment
Hazards SummaryMay cause irritation; [MSDSonline] See Mercaptobenzothiazole. See Mercapto mix.
FIFRA Requirements · 1 item

As the federal pesticide law FIFRA directs, EPA is conducting a comprehensive review of older pesticides to consider their health and environmental effects and make decisions about their future use. Under this pesticide reregistration program, EPA examines health and safety data for pesticide active ingredients initially registered before November 1, 1984, and determines whether they are eligible for reregistration. In addition, all pesticides must meet the new safety standard of the Food Quality Protection Act of 1996. Pesticides for which EPA had not issued Registration Standards prior to the effective date of FIFRA, as amended in 1988, were divided into three lists based upon their potential for human exposure and other factors, with List B containing pesticides of greater concern and List D pesticides of less concern. Zinc 2-mercaptobenzothiazolate is found on List B. Case No: 2380; Pesticide type: fungicide, antimicrobial; Case Status: RED Approved 09/94; OPP has made a decision that some/all uses of the pesticide are eligible for reregistration, as reflected in a Reregistration Eligibility Decision (RED) document.; Active ingredient (AI): Zinc 2-mercaptobenzothiazolate; Data Call-in (DCI) Date(s): 04/12/91; AI Status: OPP has completed a Reregistration Eligibility Decision (RED) document for the case/AI.

Chemistry & industry

Uses & manufacturing

Uses · 3 items

Used as rubber accelerator and fungicide; [HSDB]

Farming (Pesticides) [Category: Industry]

RUBBER ACCELERATOR, FUNGICIDE

U.S. Production · 2 items

2023: 100,000 - <250,000 lb

927,000 kg in 1979.

Consumer UsesNot Known or Reasonably Ascertainable
Industry UsesProcessing aids not otherwise specified
General Manufacturing Information · 2 items

Rubber Product Manufacturing

2(3H)-Benzothiazolethione, zinc salt (2:1): ACTIVE

Applications

UsesZinc 2-Mercaptobenzothiazole is an additive which is used in flooring material to allow excellent hardening at low temperatures.

UsesAccelerator for latex, powder coating, fungicide.

Related reactions

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Compound notes

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On this pageBasic informationNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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color
White to Off-White
Water Solubility
20.6 mg/L · 20.6mg/L at 20℃
InChI
InChI=1S/2C7H5NS2.Zn/c2*9-7-8-5-3-1-2-4-6(5)10-7;/h2*1-4H,(H,8,9);/q;;+2/p-2
InChIKey
PGNWIWKMXVDXHP-UHFFFAOYSA-L
SMILES
C12C=CC=CC=1SC(S[Zn]SC1SC3C=CC=CC=3N=1)=N2
LogP
2.42 at · 2.42 at 20℃
CAS DataBase Reference
155 · 155-04-4(CAS DataBase Reference)
FDA 21 CFR
175.105 · 175.105; 177.2600; 178.3120
Indirect Additives used in Food Contact Substances
2 · ZINC 2-MERCAPTOBENZOTHIAZOLE
FDA UNII
5 IX9Q3B · HMM5IX9Q3B
EPA Substance Registry System
2 · Zinc 2-mercaptobenzothiazolate (155-04-4)
Symbol(GHS)
7 · GHS07,GHS08,GHS09
Signal word
Danger
Hazard statements
315 · H315-H319-H317-H410-H372
Precautionary statements
501 · P501-P261-P273-P272-P264-P280-P302+P352-P391-P337+P313-P305+P351+P338-P362+P364-P333+P313
RTECS
7000000 · DL7000000
TSCA
TSCA listed
HS Code
2934.2 · 2934.20.8000
Hazardous Substances Data
155 · 155-04-4(Hazardous Substances Data)
Toxicity
50 oral · LD50 oral in rat: 540mg/kg
REACH Registrations
Active
Hazard Classes and Categories · 3 items

Skin Sens. 1B (93.7%)

Skin sensitisation - category 1

Skin sensitization - Category 1B

Skin, Eye, and Respiratory Irritations...REPORTED TO BE VERY IRRITATING TO EYES ... /2-MERCAPTOBENZOTHIAZOLE/

Safety & protection

Disposal Methods · 1 item

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Toxicology

Environmental FateIn a weak alkaline or neutral soln the mercaptobenzothiazole anion can readily complex with various metal ions, such as Cu+2 or Zn+2, and form insoluble relatively undissociable salts.
Adverse EffectsOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
Human Toxicity Excerpts · 2 items

...SUBSTANCES CONTAINING THE BENZOTHIAZOLE NUCLEUS (MERCAPTOBENZOTHIAZOLE...) HAVE IRRITANT ACTION ON SKIN. /MERCAPTOBENZOTHIAZOLE/

...REPORTED TO BE VERY IRRITATING TO EYES & TO EMIT HIGHLY TOXIC FUMES WHEN DECOMPOSED BY HEAT OR ACID. /2-MERCAPTOBENZOTHIAZOLE/

Probable Routes of Human ExposureIN THE RUBBER INDUSTRY, A NUMBER OF CHEM AGENTS USED IN PREPARING RUBBER CAN SENSITIZE EXPOSED WORKERS. THESE INCLUDE ACCELERATORS SUCH AS MERCAPTOBENZOTHIAZOLE... /MERCAPTOBENZOTHIAZOLE/

Regulatory information

FIFRA Requirements · 1 item

As the federal pesticide law FIFRA directs, EPA is conducting a comprehensive review of older pesticides to consider their health and environmental effects and make decisions about their future use. Under this pesticide reregistration program, EPA examines health and safety data for pesticide active ingredients initially registered before November 1, 1984, and determines whether they are eligible for reregistration. In addition, all pesticides must meet the new safety standard of the Food Quality Protection Act of 1996. Pesticides for which EPA had not issued Registration Standards prior to the effective date of FIFRA, as amended in 1988, were divided into three lists based upon their potential for human exposure and other factors, with List B containing pesticides of greater concern and List D pesticides of less concern. Zinc 2-mercaptobenzothiazolate is found on List B. Case No: 2380; Pesticide type: fungicide, antimicrobial; Case Status: RED Approved 09/94; OPP has made a decision that some/all uses of the pesticide are eligible for reregistration, as reflected in a Reregistration Eligibility Decision (RED) document.; Active ingredient (AI): Zinc 2-mercaptobenzothiazolate; Data Call-in (DCI) Date(s): 04/12/91; AI Status: OPP has completed a Reregistration Eligibility Decision (RED) document for the case/AI.

Safety data

tsca
TSCA listed
rtecs
DL7000000
hs_code
2934.20.8000
Toxicity
LD50 oral in rat: 540mg/kg
Signal word
Danger
Symbol(GHS)
GHS07,GHS08,GHS09
Hazard statements
H315-H319-H317-H410-H372
REACH Registrations
Active
Precautionary statements
P501-P261-P273-P272-P264-P280-P302+P352-P391-P337+P313-P305+P351+P338-P362+P364-P333+P313
Hazardous Substances Data
155-04-4(Hazardous Substances Data)