3,4-Dihydro-2-methoxy-2H-pyran

Plot No 87

Revision date : 2025-11-05

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GHS02 GHS07 GHS08
Health risk rating 4
Safety risk rating 3
Environmental risk rating 1

General Information

Version

6.2

Revision date

2025-11-05

Product name

3,4-Dihydro-2-methoxy-2H-pyran

CAS No.

4454-05-1

1.2.1 Relevant identified uses

For laboratory research purposes.Not for drug or household use

Emergency telephone

1-352-323-3500

Icons in SDS

GHS02 GHS07 GHS08 M004 M009 M010 M011 M013 M017

Company Information

company name

Plot No 87

e-mail address of the competent person responsible for the Safety Data Sheet

sales-in@bldpharm.com

GHS Information

Signal word

Danger

Hazard Codes

Hazard statements (CLP)

H225, H302+H332, H313, H315+H320, H335, H336, H371, H372

Hazard statements

Code

Statements

H225

Highly Flammable liquid and vapour

Section 2

SECTION 2: Hazards identification

Classification of the substance or mixture

Signal word

Danger

Hazard statements

H302+H332 Harmful if swallowed or if inhaled H313 May be harmful in contact with skin H315+H320 Causes skin and eye irritation. H371 May cause damage to organs H372 Causes damage to organs through prolonged or repeated exposure H335 May cause respiratory irritation H336 May cause drowsiness or dizziness H225 Highly flammable liquid and vapour

Precautionary statements

P501 Dispose of contents/container to in accordance with local regulation P260 Do not breathe dust/fume/gas/mist/vapours/spray. P270 Do not eat, drink or smoke when using this product. P240 Ground/bond container and receiving equipment. P210 Keep away from heat/sparks/open flames/hot surfaces. – No smoking. P233 Keep container tightly closed. P243 Take precautionary measures against static discharge. P241 Use explosion-proof electrical/ventilating/lighting/.../equipment. P242 Use only non-sparking tools. P271 Use only outdoors or in a well-ventilated area. P264 Wash hands thoroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P370+P378 In case of fire: Use CO2, foam or extinguishing powder for extinction. P337+P313 If eye irritation persists: Get medical advice/attention. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P308+P311 IF exposed or concerned: Call a POISON CENTER or doctor/physician. P362+P364 Take off contaminated clothing and wash it before reuse. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. P332+P313 If skin irritation occurs: Get medical advice/attention. P301+P312+P330 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Rinse mouth. P304+P340+P312 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell. P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up.

2.3 Other hazards

Additional precautionary phrases are located throughout the safety data sheet.

2.1 Classification of the substance or mixture

GHS Classification in accordance with 29 CFR 1910 (OSHA HCS) Acute toxicity, oral and acute toxicity, inhalation (Category 4) H302+H332 Acute toxicity, dermal (Category 5) H313 Skin corrosion/irritation and serious eye damage/eye irritation(Category 2 H315+H320 (skin)/2B(eye)) Specific target organ toxicity, single exposure(Category 2) H371 Specific target organ toxicity, repeated exposure(Category 1) H372 Specific target organ toxicity, single exposure;Respiratory system(Category H335 3) Specific target organ toxicity, single exposure;Central nervous H336 system(Category 3) Flammable liquids (Category 2) H225 No Resource File

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