1-butoxypropan-2-ol

C7H16O2

CAS5131-66-8
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
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Identification

CAS Number
5131-66-8
EC Number
225-878-4
UN Number
3271
Index Number
603-052-00-8
PubChem CID
21210

Physical-chemical properties

Molecular Formula
C7H16O2
Molar Mass
132.20 g/mol
IUPAC Name
1-butoxypropan-2-ol

Chemical Identifiers

InChI
InChI=1S/C7H16O2/c1-3-4-5-9-6-7(2)8/h7-8H,3-6H2,1-2H3
InChI Key
RWNUSVWFHDHRCJ-UHFFFAOYSA-N

Overview

1-butoxypropan-2-ol (CAS 5131-66-8) is an ether alcohol compound with solvent properties and moderate skin and eye irritation potential. This glycol ether derivative serves as a versatile industrial solvent in various technical applications across Europe. With its molecular formula C7H16O2 and molecular weight of 132.2 g/mol, 1-butoxypropan-2-ol combines the characteristics of both ether and alcohol functional groups, providing unique solvency properties that make it valuable in specialized formulations. The compound exhibits moderate hazard classification under CLP regulation, classified as Skin Irritant Category 2 and Eye Irritant Category 2, requiring appropriate handling precautions in industrial settings. The GHS07 pictogram and "Warning" signal word indicate the need for proper personal protective equipment during handling and processing. As a Class 3 substance under ADR transport regulations, it requires compliance with flammable liquid transport requirements. Primary industrial applications include use as a coalescent in waterborne coatings, where it aids in film formation and enhances coating performance. The compound also finds application in cleaning formulations and as a process solvent in chemical manufacturing. Its balanced hydrophilic-lipophilic properties make it particularly suitable for applications requiring controlled evaporation rates and good substrate wetting characteristics. Unlike simpler glycol ethers or related compounds such as 2-methylpentane-2,4-diol, 1-butoxypropan-2-ol offers specific performance benefits in applications requiring moderate volatility and excellent compatibility with various resin systems. OYSI provides 1-butoxypropan-2-ol to industrial customers throughout Europe, ensuring reliable supply chain management and technical support for specialized chemical applications.

Safety & Classification

Warning
Classification:

Skin Irrit. 2; Eye Irrit. 2

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H315

Causes skin irritation.

H319

Causes serious eye irritation.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Irritant

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Irritant

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number3271
ADR Class3
Packing GroupIII
Tunnel CodeD/E
Proper Shipping Name1-Butoxypropan-2-ol
Marine PollutantNo

Frequently Asked Questions

What is 1-butoxypropan-2-ol?

1-butoxypropan-2-ol is an organic chemical compound with the molecular formula C7H16O2 and CAS number 5131-66-8. This glycol ether derivative has a molecular weight of 132.2 g/mol and belongs to the family of propylene glycol ethers. It is classified as a skin and eye irritant (Skin Irrit. 2; Eye Irrit. 2) under the GHS system, requiring appropriate safety precautions during handling and use in industrial applications.

What are the physicochemical properties of 1-butoxypropan-2-ol?

1-butoxypropan-2-ol is typically a colorless liquid at room temperature with a mild, characteristic odor typical of glycol ethers. As a polar organic solvent, it exhibits good solubility in both water and organic solvents, making it valuable for various industrial formulations. Its molecular structure contains both ether and hydroxyl functional groups, contributing to its solvency properties and moderate volatility under standard conditions.

What is 1-butoxypropan-2-ol used for?

1-butoxypropan-2-ol is primarily used as a solvent in industrial applications including paints, coatings, and cleaning formulations. Its excellent solvency properties make it suitable for dissolving resins, dyes, and other organic compounds. It is also employed in printing inks, adhesives, and as a coalescent in water-based coating systems. The compound serves as an intermediate in chemical synthesis and finds applications in specialty chemical formulations requiring controlled evaporation rates.

How to handle 1-butoxypropan-2-ol safely?

1-butoxypropan-2-ol requires careful handling due to its skin and eye irritant properties. Workers should wear appropriate personal protective equipment including chemical-resistant gloves, safety goggles, and protective clothing. Ensure adequate ventilation in work areas to minimize vapor exposure. Avoid direct skin and eye contact, and wash hands thoroughly after handling. Use in well-ventilated areas and follow good industrial hygiene practices to prevent prolonged or repeated exposure.

How to store 1-butoxypropan-2-ol correctly?

1-butoxypropan-2-ol should be stored in tightly closed containers in a cool, dry, well-ventilated area away from heat sources and ignition sources. As a Class 3 flammable liquid (ADR Group III), maintain storage temperatures below 25°C when possible. Keep containers upright and protected from physical damage. Store away from strong oxidizing agents and incompatible materials. Ensure proper labeling and inventory management in accordance with local safety regulations.

What to do in case of contact with 1-butoxypropan-2-ol?

In case of skin contact with 1-butoxypropan-2-ol, immediately remove contaminated clothing and wash the affected area thoroughly with soap and water for at least 15 minutes. For eye contact, rinse immediately with clean water for at least 15 minutes while holding eyelids open. If irritation persists or develops, seek medical attention. In case of inhalation, move the person to fresh air and ensure they rest in a comfortable position for breathing.

How to dispose of 1-butoxypropan-2-ol appropriately?

1-butoxypropan-2-ol must be disposed of according to local, regional, and national waste regulations as a hazardous chemical waste. Do not pour down drains or dispose of in regular waste streams. Contact licensed waste disposal companies for proper treatment and disposal methods. Small quantities may require incineration at authorized facilities, while larger volumes may need specialized treatment. Always consult current waste disposal regulations and maintain proper documentation for disposal activities.

How to transport 1-butoxypropan-2-ol?

1-butoxypropan-2-ol is classified as ADR Class 3 (flammable liquids), Packing Group III for transportation purposes. It requires appropriate UN specification packaging and proper shipping documentation including transport documents and emergency response information. Vehicles must carry appropriate fire extinguishing equipment and emergency spill materials. Drivers require ADR training certification, and shipments must comply with tunnel restrictions and routing regulations applicable to flammable liquid transport.

Is 1-butoxypropan-2-ol subject to specific regulations?

1-butoxypropan-2-ol is subject to European REACH regulation and must be registered for commercial use above specified tonnage thresholds. It is classified under the CLP Regulation with GHS07 pictogram and Warning signal word due to its irritant properties. The substance is not currently listed as a Substance of Very High Concern (SVHC). Users must comply with safety data sheet requirements, proper labeling, and workplace exposure limit regulations where applicable.

Where to buy 1-butoxypropan-2-ol in Europe?

1-butoxypropan-2-ol is available through OYSI, a specialized European distributor of industrial chemicals. OYSI provides this chemical compound to professional users across Europe, ensuring compliance with all relevant safety and transportation regulations. As a technical chemical supplier, OYSI offers proper documentation, safety data sheets, and regulatory compliance support. Contact OYSI directly for availability, specifications, packaging options, and delivery arrangements to your specific European location.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.