MSDS of TBSI

- May 20, 2019-

MATERIAL SAFETY DATA SHEET: According to EC-directive 2001/58/EC

Rubber   Accelerator TBSI                           HS   Code: 29342000.90

 

1. CHEMICAL PRODUCT AND COMPANY IDENTIFICATION

 Product label name

N-tert-Butyl-2-benzothiazolesulfenimid

 Supplier

Guangzhou   Chengbang Hi-Tech Materials Co.,Ltd

 Address: No   10, Donglian Heliling Road, Yaotian Village, Xintang

  Town, Zengcheng District, Guangzhou City,   Guangdong

     Tel: +86-020-26221739     

 Fax:   +86-020-26222739

Emergency telephone

+86-020-26221739

Intended use

Rubber   Vulcanization accelerator

 

2. COMPOSITION/INFORMATION ON INGREDIENTS

Chemical name

N-tert-Butyl-2-benzothiazolesulfenimid

 CAS NO.

3741-80-8

Chemical   description

 white free flowing powder

 TSCA NO.

none

EINECS   NO.

 none

 Other information

C18H17N3S4.

 

3. HAZARDS IDENTIFICATION


Very toxic to   aquatic organisms, may cause long-term adverse effects in the aquatic   environment.

 

4. FIRST AID MEASURES

 Symptoms and effects

Dust may be   irritating to the respiratory tract and cause symptoms of bronchitis.

First aid

 General

In all cases of   doubt, or when symptoms persist, seek medical attention.

 Inhalation

Move to fresh air.   If symptoms persist, seek medical advice.

Skin

Remove all   contaminated clothing immediately. Wash off with plenty of soap and water.

Seek medical advice   if irritation develops. Launder clothes before reuse.

 Eye

Rinse thoroughly   with plenty of water. Eyelids should be held away from the eyeball to

Ensure thorough   rinsing. Seek medical advice if irritation develops.

 Ingestion

Rinse mouth, give   water to drink.

 Advice to physician

No specific   recommendations.

 

5.FIRE-FIGHTING MEASURES

 Extinguishing media

Waterspray, water   mist, foam, dry chemical powder, CO2

Unsuitable   extinguishing media

No   specific recommendations

 Special exposure hazards

Emits   toxic fumes under fire conditions.

Hazardous   decomposition/

combustion   products

Carbon   monoxide (CO), Sulfur oxides (SOx), nitrous gases (NOx).

 Protective equipment

Wear   self contained breathing apparatus.

Other information

Do not allow run-off   from fire fighting to enter drains or watercourses.

 

6. ACCIDENTAL RELEASE MEASURES

Personal precautions

For personal   protection see Section 8. Avoid dust generation.

 Environmental precautions

Avoid discharge into   the environment.

Methods for cleaning   up

Collect as much as   possible in a clean container for (preferable) reuse or disposal.

 

7. HANDLING AND STORAGE

Handling

Good industrial   practice in housekeeping and personal hygiene should be followed.

Fire   and explosion prevention

Avoid dust   accumulation. Dust/air mixtures may ignite violently upon exposure to sparks   or sources of ignition.

Dust explosion   class: St -2.

KSt: 267 - 281   bar.m/s

Maximum rate of   pressure rise: 982 - 1036.

Maximum corrected   explosion pressure: 8.4 bar.

Storage requirements

Store in a dry and   cool place.

 

8. EXPOSURE CONTROLS/PERSONAL PROTECTION

 Engineering controls

Avoid dust   generation. Ensure good ventilation and local exhaustion of the working area.

Exposure limits

 Name:N-tert-Butyl-2-benzothiazolesulfenimid

OES-TWA     10.0 mg/m3 (total   inhalable dust)

 Personal protection

Respiratory

Avoid breathing   dust. In case of insufficient ventilation, wear suitable respiratory equipment.

Hand

Wear suitable   gloves.

 Eye

Wear   safety goggles.

 Skin and body

Wear   suitable protective clothing.

 

9. PHYSICAL AND CHEMICAL PROPERTIES

Appearance

White   free flowing powder

 Colour

White  

Odour

---

 Boiling point

----

 Melting point

128

Flash point

---

Flammability

----

 Explosion limits

Min 40 - 45   g/m³.

Explosive   properties

----

Auto ignition temperature

----

Oxidizing   properties

----

Vapour pressure

----

Density

1.35g/cm3   (25)

Bulk density

---

Solubility   in water

Insoluble in water

 

Solubility   in other solvents

in most organic   solvents

 pH value


Partition   coefficient

Log   Pow = 6.7

Residues   (150um)% Max

0.1(Max)

 (air=1)Relative vapour density


 Viscosity




 

10. STABILITY AND REACTIVITY

 Stability

Stable under   recommended storage and handling conditions (see section 7).

 Conditions to avoid

Heating   > 100 °C: May catch fire..

 Materials to avoid

Oxidizing   agents. Alkaline materials..

Hazardous   decomposition products

Thermal decomposition products: carbon monoxide (CO),   nitrous gases (NOx), Sulfur oxides   (SOx).

 

11. TOXICOLOGICAL INFORMATION

Name

 N-tert-Butyl-2-benzothiazolesulfenimid

Acute toxicity

Oral LD50

 rat:5000 mg/kg.

Dermal LD50

 rabbit: 2000 mg/kg.

 Irritation

 Skin

Practically   non-irritating..

Eye

Minimally   irritating..

 

12. ECOLOGICAL INFORMATION

Name

 N-tert-Butyl-2-benzothiazolesulfenimid

 Ecotoxicity

fish

96h-LC50   (Pimephales promelas): >2.7 mg/l.

Daphnia

48h-EC50   (Daphnia magna): 0.005 mg/l.

Algae

96h-LC50   (Cell count): > 0.87 mg/l.

Degradation Biotic

Not   readily biodegradable.

 

13. DISPOSAL CONSIDERATIONS

Product

Avoid discharge into   the environment.

Small quantities:   According to local regulations.

Large quantities:   Consult Chengbang Chemical for special advice.

 Contaminated packaging

According   to local regulations.

Other information

Waste code number:   Please refer to your specific industry in the European Waste Catalogue.

 

14. TRANSPORT INFORMATION

Land transport (ADR/   RID)

 ADR class

9

 RID class

9

ADR/RID packing   group

----

Hazard   Identification No.

90

Substance   Identification No.

3077

UN number

3077

Proper Shipping Name

Environmentally   hazardous substance, solid, n.o.s.

(N-tert-Butyl-2-benzothiazolesulfenimid)

Sea transport   (IMDG-code/ IMO)

Correct   technical name

----

IMDG   Class

----

UN   Number

-----

Packaging group

----

 EMS Number

----


----

 Air transport (ICAO-TI/ IATA-DGR)

ICAO-TI/IATA-DGR   Class

9

UN number

3077

Packing group

Environmentally   hazardous substance, Solid

Correct technical   name

Environmentally   hazardous substance, solid, n.o.s.

(N-tert-Butyl-2-benzothiazolesulfenimid)

 

15. REGULATORY INFORMATION

Chemical description

N-tert-Butyl-2-benzothiazolesulfenimid

Labelling according   to EC directives

 EC-number

See   section 2

 Classification based on

Annex-1   to directive 67/548/EEC

R(isk) phrase(s)

R 43 May cause   sensitization by skin contact

May cause long-term   adverse effects in the aquatic environment

S(afety) phrase(s)

S   24 Avoid contact with skin

S   37 Wear suitable gloves

S   60 This material and its container must be disposed of as hazardous waste

S   61 Avoid release to the environment. Refer to special instructions/Safety   data sheets

Other information

To   be displayed on the label: "EC label".

Wassergefährdungsklasse   (WGK)

2   (VwVwS Anhang 3)

 

16. (OTHER INFORMATION)

This   information only concerns the above mentioned product and does not need to be   valid if used with other product(s) or in any process. The information is to   our best present knowledge correct and complete and is given in good faith   but without warranty. It remains the user's own responsibility to make sure   that the information is appropriate and complete for his special use of this   product.