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Safety Data Sheet EN

TBC OPTIMA 85% WATER

CAS 98-29-3

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
TBC OPTIMA 85% WATER
Chemical Name
4-tert-Butylcatechol

Regulatory Identifiers

CAS Number
98-29-3 Check regulations →
REACH No.
01-2119548368-28-0000
UFI Code
DF70-H0G6-W002-QYF4

Identified Uses

Industrial uses: Uses of substances as such or in preparations at industrial sites Polymerisation inhibitor for monomers Stabilizer Polymer preparations and compounds

Manufacturers & Suppliers

Specialty Operations France logo

Specialty Operations France

manufacturer

Silex 2, 9 rue des Cuirassiers, 69003 LYON

+33 (0)4 37 24 88 88

https://www.syensqo.com/en/form/documentation

Emergency Contacts

CareChem 24

+44(0)1235 239 670

The National Poisons Information Centre (NCIC)

+353 (0) 1 809 2166

7 days a week, 8 am- 10 pm

The National Poisons Information Centre (NCIC)

+353 (0) 1 809 2566

24 h service

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified danger

Hazard Classifications

Acute Tox. Cat. 4 H302
Skin Corr. Cat. 1B H314
Eye Dam. Cat. 1 H318
Skin Sens. Cat. 1 H317
Aquatic Acute Cat. 1 H400
Aquatic Chronic Cat. 2 H411

GHS Pictograms

GHS05 - Corrosive

GHS05

GHS07 - Health hazard

GHS07

GHS09 - Environmental hazard

GHS09

Hazard Statements

H302 Harmful if swallowed.
H314 Causes severe skin burns and eye damage.
H317 May cause an allergic skin reaction.
H410 Very toxic to aquatic life with long lasting effects.

Precautionary Statements

P273 Avoid release to the environment.
P280 Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P303 + P361 + P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
P304 + P340 + P310 IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/ doctor.
P305 + P351 + P338 + P310 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER/ doctor.
P391 Collect spillage.

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type mixture
Chemical Name CAS Number Concentration Hazardous
4-tert-butylpyrocatechol EC: 202-653-9 98-29-3 85% Yes
3,5-di-tert-butylpyrocatechol EC: 213-816-9 1020-31-1 0.5% Yes
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

If breathed in, move person into fresh air. Consult a physician.

Skin contact

Take off contaminated clothing and shoes immediately. Wash off with soap and plenty of water. Wash off with plenty of water. Wash immediately and thoroughly for a prolonged period (at least 15 minutes). Consult a physician.

Eye contact

In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. If eye irritation persists, consult a physician.

Ingestion

Do NOT induce vomiting. Do not give anything to drink. Obtain medical attention.

Immediate Medical Attention

Consult a physician.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Foam, powder, Carbon dioxide (CO2), Water spray

Unsuitable media

High volume water jet, Use extinguishing measures that are appropriate to local circumstances and the surrounding environment.

Specific hazards

On combustion, toxic gases are released.

Instructions

Use appropriate means for fighting adjacent fires. Evacuate personnel to safe areas. Cool containers/tanks with water spray.

Firefighter Protection

Self-contained breathing apparatus (EN 133)

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Emergency procedures

Avoid contact with the skin and the eyes.

Environmental

Prevent product from entering sewage system. Dam up. Do not allow uncontrolled discharge of product into the environment.

Cleanup methods

Keep in properly labelled containers. Keep in suitable, closed containers for disposal.

—

Related Products

Similar products with comparable safety profiles

T

TERT-BUTYL ALCOHOL (TBA) 88% w/w H2O

---

O

Optimo EC

---

H

HYDROCARB 95T-OG

---

O

OTBCHA (LIQUID)

CAS: 88-41-5

O

Optima

---

T

TECHNOMELT SUPRA 081 ECO

---

B

BIOHYDRAN TMP 46

---

T

TURMOFLUID 40 B

---

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Use only with adequate ventilation/personal protection. Avoid splashes. For personal protection, see section 8. Avoid any direct contact with the product. The product must only be handled by specifically trained employees.

Storage

To guarantee the quality and properties of the product keep according to Storage temperature and conditions.

Hygiene

Emergency equipment immediately accessible, with instructions for use. Ensure that eyewash stations and safety showers are close to the workstation location. Regular cleaning of equipment, work area and clothing. Use clean, well-maintained personal protection equipment. Store personal protection equipment in a clean location away from the work area. Keep working clothes separately. Contaminated work clothing should not be allowed out of the workplace. Wash hands before breaks and immediately after handling the product. Shower or bathe at the end of working. When using do not eat, drink or smoke.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Use a local and/or general ventilation system. Effective exhaust ventilation system. Handle only in a place equipped with local exhaust (or other appropriate exhaust). Facilities and equipment easily cleanable. Avoid splashes. Apply technical measures to comply with the occupational exposure limits.

Hands

Where there is a risk of contact with hands, use appropriate gloves. Please observe the instructions regarding permeability and breakthrough time which are provided by the supplier of the gloves. Also take into consideration the specific local conditions under which the product is used, such as the danger of cuts, abrasion, and the contact time. Gloves must be inspected prior to use. Gloves should be discarded and replaced if there is any indication of degradation or chemical breakthrough. Long sleeve gloves. PVC gloves. The selected protective gloves have to satisfy the specifications of Regulation (EU) 2016/425 and the standard EN 374 derived from it.

Eyes

Safety goggles. In case of contact through splashing: Wear face-shield and protective suit. Equipment should conform to EN 166

Respiratory

Use a respirator with an approved filter if a risk assessment indicates this is necessary. If vapour is released: Respirator with a vapour filter (EN 141)

Skin/Body

Choose body protection according to the amount and concentration of the dangerous substance at the work place. Remove and wash contaminated clothing. Light overall made of PVC. Safety shoes. PVC. In case of contact through splashing: Full protective suit

Environmental

Prevent product from entering sewage system. Dam up. Do not allow uncontrolled discharge of product into the environment.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

Physical State
liquid
Physical State Data
liquid
State Under Standard Conditions
---
Appearance
---
Colour
amber-yellow.
Colour Intensity
---
Form
transparent
Odor
phenol-like
Odor Threshold
No data available
Ph
ca. 4.0 (85 %)
Melting Point
Melting point/ range: 8 °C
Boiling Point
Boiling point/boiling range: 104 °C
Flash Point
Not applicable aqueous liquid for which the organic components have flash point > 100 °C
Freezing Point
---
Softening Point
---
Solidification Point
---
Cloud Point
---
Crystallisation Point
---
Relative Evaporation Rate
---
Evaporation Rate
---
Vapor Pressure
23 hPa (20 °C)
Vapor Density
---
Relative Density
---
Bulk Density
---
Density
1.06 g/cm3 (20 °C)
Flammability
---
Upper Explosive Limit
---
Lower Explosive Limit
---
Explosive Limits
---
Auto Ignition Temperature
---
Decomposition Temperature
---
Solubility
---
Partition Coefficient
Not applicable preparation
Solubility In Water
Not applicable: separates into 2 phases.
Solubility In Fat
---
Molecular Weight
166.2 g/mol
Voc Content
---
Metal Corrosion
---
Dynamic Viscosity
Viscosity, dynamic: 87 mPa.s (25 °C)
Kinematic Viscosity
---
Properties Status
---
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Stable under normal conditions.

Reactivity

No hazards to be specially mentioned. Not classified as a reactivity hazard.

Hazardous reactions

Hazardous polymerisation does not occur.

Avoid

No dangerous reaction known under conditions of normal use.

Incompatible

Strong oxidizing agents

Decomposition

On combustion forms: Toxic Gas, Carbon oxides

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

12.3 Bioaccumulative potential

Partition coefficient: n-octanol/water 4-tert-butylpyrocatechol Not potentially bioaccumulable Unpublished internal reports

12.1 Toxicity

Acute toxicity to fish 4-tert-butylpyrocatechol LC50 - 96 h : 0.12 mg/l - Danio rerio (zebra fish) semi-static test Analytical monitoring: yes Method: OECD Test Guideline 203 Unpublished internal reports Very toxic to fish.

Very toxic to fish.

12.1 Toxicity

Acute toxicity to daphnia and other aquatic invertebrates 4-tert-butylpyrocatechol EC50 - 48 h : 0.48 mg/l - Daphnia magna (Water flea) semi-static test Analytical monitoring: yes Method: OECD Test Guideline 202 Unpublished internal reports Very toxic to aquatic invertebrates.

Very toxic to aquatic invertebrates.

12.1 Toxicity

Toxicity to aquatic plants 4-tert-butylpyrocatechol ErC50 - 72 h : 10.17 mg/l - Pseudokirchneriella subcapitata (green algae) static test Analytical monitoring: yes Method: OECD Test Guideline 201 Growth rate Unpublished internal reports Harmful to algae. EC10 - 72 h : 2.29 mg/l - Pseudokirchneriella subcapitata (green algae) static test Analytical monitoring: yes Method: OECD Test Guideline 201 Growth rate Unpublished internal reports No adverse chronic effect observed up to and including the threshold of 1 mg/L.

12.1 Toxicity

Toxicity to microorganisms 4-tert-butylpyrocatechol EC50 - 3 h : 16 mg/l - activated sludge static test Analytical monitoring: no Method: OECD Test Guideline 209 Unpublished internal reports

12.1 Toxicity

Chronic toxicity to daphnia and other aquatic invertebrates 4-tert-butylpyrocatechol flow-through test NOEC: 135 µg/l - 21 Days - Daphnia magna (Water flea) PRCO90066857 Version: 1.03 / IE (EN) www.syensqo.com 12 / 52 SYENSQO SAFETY DATA SHEET # TBC OPTIMA 85% WATER Revision Date 10.10.2024 Reproduction Test Method: OECD Test Guideline 211 Unpublished internal reports Toxic to aquatic invertebrates with long lasting effects.

Toxic to aquatic invertebrates with long lasting effects.

12.1 Toxicity

4-tert-butylpyrocatechol Acute aquatic toxicity = 1 (according to the Globally Harmonized System (GHS))

12.2 Persistence and degradability

12.3 Bioaccumulative potential

12.4 Mobility in soil

12.5 Results of PBT and vPvB assessment

12.6 Endocrine disrupting properties

12.7 Other adverse effects

12.2 Persistence and degradability

Abiotic degradation Stability in water

12.2 Persistence and degradability

4-tert-butylpyrocatechol Half-life value: 141 h (25 °C) pH: 7.0 Method: OECD Test Guideline 111 Unpublished internal reports

12.2 Persistence and degradability

## 12.2 Persistence and degradability ##### Biodegradability 4-tert-butylpyrocatechol Ready biodegradability study: Method: OECD Test Guideline 310 25 % - 28 Days The substance does not fulfill the criteria for ready biodegradability and ultimate aerobic biodegradability Inoculum: activated sludge Conc. in standard unit mg/l: 20 mg/l Unpublished internal reports Inherent biodegradability study Zahn-Wellens Test Method: OECD Test Guideline 302 B 91 % - 28 Days The substance fulfills the criteria for inherent ultimate biodegradability Dissolved organic carbon (DOC) Inoculum: activated sludge Conc. in standard unit mg/l: 143.6 mg/l Unpublished internal reports

12.2 Persistence and degradability

#### Degradability assessment 4-tert-butylpyrocatechol The product is not considered to be rapidly degradable in the environment

The product is not considered to be rapidly degradable in the environment.

12.4 Mobility in soil

Adsorption potential (Koc) 4-tert-butylpyrocatechol Adsorption/Soil Log Koc: 1.37 Method: OECD Test Guideline 121 Highly mobile in soils Unpublished internal reports ## Known distribution to environmental compartments 4-tert-butylpyrocatechol Ultimate destination of the product : Water Soil

12.5 Results of PBT and vPvB assessment

4-tert-butylpyrocatechol Substance is not persistent, bioaccumulative, and toxic (PBT). Substance is not very persistent and very bioaccumulative (vPvB).

The substance is not classified as PBT or vPvB.

12.6 Endocrine disrupting properties

The substance/mixture does not contain components considered to have endocrine disrupting properties according to REACH Article 57(f) or Commission Delegated regulation (EU) 2017/2100 or Commission Regulation (EU) 2018/605 at levels of 0.1% or higher.

12.7 Other adverse effects

### Ecotoxicity assessment #### Short-term (acute) aquatic hazard 4-tert-butylpyrocatechol Very toxic to aquatic life. #### Long-term (chronic) aquatic hazard 4-tert-butylpyrocatechol Toxic to aquatic life with long lasting effects.
13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

Treatment

Must be incinerated in a suitable incineration plant holding a permit delivered by the competent authorities.

Disposal

Should not be released into the environment. Must be incinerated in a suitable incineration plant holding a permit delivered by the competent authorities.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

UN Number
UN3265
Shipping Name
CORROSIVE LIQUID, ACIDIC, ORGANIC, N.O.S. (4-tert-butylpyrocatechol)
Transport Class
8
Packing Group
II
15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

Product compliant with REACH registration provisions when purchased from an EEA entity. Requirements of REACH Annex XVII apply.

Chemical Safety Assessment Not performed
?

Frequently Asked Questions

Common questions about safety, handling, and properties

What is the hazard signal word for TBC OPTIMA 85% WATER?

The signal word is danger.

What is the physical form of TBC OPTIMA 85% WATER?

TBC OPTIMA 85% WATER is a liquid with amber-yellow. color. It has phenol-like odor.

What is TBC OPTIMA 85% WATER used for?

Industrial uses: Uses of substances as such or in preparations at industrial sites Polymerisation inhibitor for monomers Stabilizer Polymer preparations and compounds

What are the hazard statements for TBC OPTIMA 85% WATER?

This substance has 4 hazard statements:

  • H302: Harmful if swallowed.
  • H314: Causes severe skin burns and eye damage.
  • H317: May cause an allergic skin reaction.
  • H410: Very toxic to aquatic life with long lasting effects.

What is the melting point of TBC OPTIMA 85% WATER?

The melting point is Melting point/ range: 8 °C and the boiling point is Boiling point/boiling range: 104 °C.