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2,4-Di-tert-butyl-6-nitrophenol

ISO 17034 Reference Material

Item number	687091
CAS	20039-94-5
Formula	C14H21NO3
Molecular weight	251,32 g/mol
Quantity	1x50mg
storage conditions	4 °C
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Safety Data Sheet	according to Regulation (EC) No 1907/2006 (REACH) Classifications according to Regulation (EC) No 1272/2008. Printdate October 6, 2026
IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING
Product name:	2,4-Di-tert-butyl-6-nitrophenol
Catalog No.:	687091
Relevant identified uses of the substance or mixture	Identified: Laboratory chemical uses: R&D
Uses advised against:	HPC Standards Inc 271 17th Street, NW, Suite 1750 Atlanta, GA 30363 Tel. +1 (678) 244-1536 Fax. +1 (404) 586-6820 sales@hpc-standards.us
Emergency telephone number	HPC Standards Tel. +1 (678) 244-1536 This number is only available during office hours.
HAZARDS IDENTIFICATION	Classification under CLP: Acute Tox. 4: H302+H312+H332; Aquatic Chronic 4: H413; Eye Irrit. 2: H319 Most important adverse effects: Harmful if swallowed, in contact with skin or if inhaled Causes serious eye irritation. May cause long lasting harmful effects to aquatic life.
Label elements
Pictogram	GHS07 exclam exclam GHS09 Aquatic-pollut-red Aquatic-pollut-red
	Label elements: Hazard statements: H302+H312+H332: Harmful if swallowed, in contact with skin or if inhaled H319: Causes serious eye irritation. H413: May cause long lasting harmful effects to aquatic life Hazard pictograms: GHS07: Exclamation mark GHS09: Environmental Signal words: Warning Precautionary statements: P271: Use only outdoors or in a well-ventilated area. P260: Do not breathe dust. P280: Wear protective gloves/protective clothing/eye protection/face protection 2.3. Other hazards PBT: This product is not identified as a PBT/vPvB substance
COMPOSITION/INFORMATION ON INGREDIENTS	3.1. Substances Chemical identity: 2,4-BIS(TERT-BUTYL)-6-NITROPHENOL CAS number: 20039-94-5
Formula	C14H21NO3
Molecular Weight (g/mol)	251.32
CAS-No.	20039-94-5
FIRST AID MEASURES
FIRE-FIGHTING MEASURES	5.1. Extinguishing media Extinguishing media: Carbon dioxide, dry chemical powder, foam. Suitable extinguishing media for the surrounding fire should be used. Use water spray to cool containers 5.2. Special hazards arising from the substance or mixture Exposure hazards: In combustion emits toxic fumes of carbon dioxide / carbon monoxide. Nitrogen oxides (NOx). 5.3. Advice for fire-fighters Advice for fire-fighters: Wear self-contained breathing apparatus. Wear protective clothing to prevent contact with skin and eyes
ACCIDENTAL RELEASE MEASURES	6.1. Personal precautions, protective equipment and emergency procedures Personal precautions: Refer to section 8 of SDS for personal protection details. If outside do not approach from downwind. If outside keep bystanders upwind and away from danger point. Mark out the contaminated area with signs and prevent access to unauthorised personnel. 6.2. Environmental precautions Environmental precautions: Do not discharge into drains or rivers. 6.3. Methods and material for containment and cleaning up Clean-up procedures: Transfer to a closable, labelled salvage container for disposal by an appropriate method. 6.4. Reference to other sections
HANDLING AND STORAGE	7.1. Precautions for safe handling Handling requirements: Avoid direct contact with the substance. Ensure there is sufficient ventilation of the area. Do not handle in a confined space. Avoid the formation or spread of dust in the air. Only use in fume hood. 7.2. Conditions for safe storage, including any incompatibilities Storage conditions: Store in a cool, well ventilated area. Keep container tightly closed. The floor of the storage room must be impermeable to prevent the escape of liquids. Store under Argon. Suitable packaging: Must only be kept in original packaging. 7.3. Specific end use(s) Specific end use(s): No data available.
EXPOSURE CONTROLS/PERSONAL PROTECTION	8.1. Control parameters Workplace exposure limits: No data available DNEL/PNEC Values DNEL / PNEC No data available. 8.2. Exposure controls Engineering measures: Ensure there is sufficient ventilation of the area. The floor of the storage room must be impermeable to prevent the escape of liquids. Respiratory protection: Self-contained breathing apparatus must be available in case of emergency. Respiratory protective device with particle filter. Hand protection: Protective gloves. Eye protection: Safety glasses. Ensure eye bath is to hand. Skin protection: Protective clothing.
PHYSICAL AND CHEMICAL PROPERTIES	9.1. Information on basic physical and chemical properties State: Solid Evaporation rate: No data available. Oxidising: No data available. Solubility in water: No data available. Viscosity: No data available. Boiling point/range°C: No data available. Melting point/range°C: 59-65 Flammability limits %: lower: No data available. upper: No data available. Flash point°C: No data available. Part.coeff. n-octanol/water: No data available. Autoflammability°C: No data available. Vapour pressure: No data available. Relative density: No data available. pH: No data available. VOC g/l: No data available. 9.2. Other information Other information: No data available.
STABILITY AND REACTIVITY	10.1. Reactivity Reactivity: Stable under recommended transport or storage conditions. 10.2. Chemical stability Chemical stability: Stable under normal conditions. 10.3. Possibility of hazardous reactions Hazardous reactions: Hazardous reactions will not occur under normal transport or storage conditions. 10.4. Conditions to avoid Conditions to avoid: Heat. 10.5. Incompatible materials Materials to avoid: Strong oxidising agents. Strong acids. 10.6. Hazardous decomposition products Haz. decomp. products: In combustion emits toxic fumes of carbon dioxide / carbon monoxide. Nitrogen oxides (NOx).
TOXICOLOGICAL INFORMATION	11.1. Information on toxicological effects Relevant hazards for product: Hazard Route Basis Acute toxicity (ac. tox. 4) INH DRM ING Hazardous: calculated Serious eye damage/irritation OPT Hazardous: calculated Symptoms / routes of exposure Skin contact: There may be irritation and redness at the site of contact. Eye contact: There may be irritation and redness. The eyes may water profusely. Ingestion: There may be soreness and redness of the mouth and throat. Nausea and stomach pain may occur. There may be vomiting. Inhalation: There may be irritation of the throat with a feeling of tightness in the chest.
ECOLOGICAL INFORMATION	12.1. Toxicity Ecotoxicity values: No data available. 12.2. Persistence and degradability Persistence and degradability: Persistent chemical (predicted *) 12.3. Bioaccumulative potential Bioaccumulative potential: No data available. 12.4. Mobility in soil Mobility: No data available. 12.5. Results of PBT and vPvB assessment PBT identification: This product is not identified as a PBT/vPvB substance. 12.6. Other adverse effects Other adverse effects: Toxic to aquatic organisms.
DISPOSAL CONSIDERATIONS	13.1. Waste treatment methods Disposal operations: Transfer to a suitable container and arrange for collection by specialised disposal company. MATERIAL SHOULD BE DISPOSED OF IN ACCORDANCE WITH LOCAL, STATE AND FEDERAL REGULATIONS Disposal of packaging: Dispose of as special waste in compliance with local and national regulations Observe all federal, state and local environmental regulations. NB: The users attention is drawn to the possible existence of regional or national regulations regarding disposal.
TRANSPORT INFORMATION	Transport class: This product does not require a classification for transport.
REGULATORY INFORMATION	15.1. Safety, health and environmental regulations/legislation specific for the substance or mixture 15.2. Chemical Safety Assessment Chemical safety assessment: A chemical safety assessment has not been carried out for the substance or the mixture by the supplier.
OTHER INFORMATION	The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. For lab use only!