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Best Price 3,4-Dihydro-2H-pyran

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CAS No.:

110-87-2

Port:

Shanghai

Packaging:

25kg/drum

Price valid (until):

2026-03-06

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SHANDONG LOOK CHEMICAL CO.,LTD

Company Type:

Manufactory

Location:

China

Qualification:

Main Products:

Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Pharmaceutical intermediate used in the production of 1,5-dichloropentane, which can be further synthesized into heptanediamine and heptanedioic acid. It is also employed in the manufacture of synthetic fibers and other products.

Items	Specifications
Density	0.922 g/mL at 25 °C (lit.)
Flashing point	4 °F
Melting point	-70 °C (lit.)

Basic Info

Product Name:

3,4-Dihydro-2H-pyran

Other Name:

2H-Pyran,3,4-dihydro-;Pyran,dihydro-;2-Pyran,3,4-dihydro-;1,2-Pyran,3,4-dihydro-;3,4-Dihydro-2H-pyran;2,3-Dihydro-4H-pyran;2H-3,4-Dihydropyran;Δ2-Dihydropyran;5,6-Dihydro-4H-pyran;Dihydropyran;Dihydro-2H-pyran;2,3-Dihydro-γ-pyran;NSC 57860;NSC 73472;3,4-Dihydro-2H-pyrane;2,3,4-Trihydropyran

CAS No.:

110-87-2

Molecular Formula:

C5H8O

InChIKeys:

InChIKey=BUDQDWGNQVEFAC-UHFFFAOYSA-N

Molecular Weight:

84.118

Exact Mass:

84.12

BRN:

103493

EC Number:

247-062-7

UNII:

T6V9N71IHX

NSC Number:

73472|57860

UN Number:

2376

DSSTox ID:

DTXSID6041426

HScode:

29329995

Categories:

Heterocyclic Compound

Characteristics

PSA:

9.2

XLogP3:

0.69

Appearance:

Dihydro-2h-pyran appears as a clear colorless liquid with an ethereal odor. Less dense than water. Vapors heavier than air.

Density:

0.922 g/cm³ @ Temp: 19 °C

Melting Point:

-70 °C

Boiling Point:

86 °C

Flash Point:

0° F (NFPA, 2010)

Refractive Index:

n 20/D 1.440(lit.)

Water Solubility:

H2O: 7.7g/l

Storage Conditions:

Flammables area

Vapor Pressure:

77.8 hPa (20 °C)

Vapor Density:

2.9 (vs air)

Toxicity:

LD50 orally in Rabbit: > 4000 mg/kg

Explosive limit:

1.1-13.8%(V)

Air and Water Reactions:

Highly flammable. Slightly soluble in water.

Reactive Group:

Ethers

Reactivity Alerts:

Highly Flammable

Reactivity Profile:

Ethers, such as 2,3-DIHYDROPYRAN, can act as bases. They form salts with strong acids and addition complexes with Lewis acids. The complex between diethyl ether and boron trifluoride is an example. Ethers may react violently with strong oxidizing agents. In other reactions, which typically involve the breaking of the carbon-oxygen bond, ethers are relatively inert.

See More 3,4-Dihydro-2H-pyran Properties 

Hazard Identification

Classification of the substance or mixture

Flammable liquids, Category 2

Skin irritation, Category 2

Skin sensitization, Sub-category 1B

Eye irritation, Category 2

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Danger
Hazard statement(s)	H225 Highly flammable liquid and vapour H315 Causes skin irritation H317 May cause an allergic skin reaction H319 Causes serious eye irritation H412 Harmful to aquatic life with long lasting effects
Prevention	P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233 Keep container tightly closed. P240 Ground and bond container and receiving equipment. P241 Use explosion-proof [electrical/ventilating/lighting/...] equipment. P242 Use non-sparking tools. P243 Take action to prevent static discharges. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P264 Wash ... thoroughly after handling. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment.
Response	P303+P361+P353 IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse affected areas with water [or shower]. P370+P378 In case of fire: Use ... to extinguish. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P333+P317 If skin irritation or rash occurs: Get medical help. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage	P403+P235 Store in a well-ventilated place. Keep cool.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

See More 3,4-Dihydro-2H-pyran Safety Data Sheet 

Seller Information

Business Type:
Manufactory

Main Products:
Agrochemicals,Daily Chemicals,Catalysts & Chemical Auxiliary Agents,Extract,Inorganic Chemicals,Organic Intermediate

Location:
hisense intelligence valley,no 2116,of phoenix road

Payment Terms:
TT against copy of documents,D/P,L/C

Average lead Time:
7

Total Annual Revenue:
Less than $1 million

Total Employees:
11-50

Year of Establishment:
2017

SHANDONG LOOK CHEMICAL CO.LTD, a new chemical enterprise in researching, manufacturing and supplying of chemicals located in beautiful “Spring City”-Jinan.Our company mainly working on the researching new-born APIs, intermediate ( especially Carbohydrate derivatives series). Meanwhile, we made huge breakthrough in industries of food, feed additives, cosmetics ,dye and industrial chemicals. Our company enjoyed great reputation both domestic and abroad under the belief of “Integrity management,Quality controlling and Customer orientation”. Web : www.chinalookchemical.com

We had been cooperated with NingXia University and Shandong University on more than ten projects for years and which had been in mass production on the market. We now have more than 80 people in our team and built research center in Jinan and Ningxia. Our manufacturing site allocated in chemical industry parks of Zhangqiu, Heze, Dezhou and Ningxia Fine Chemical Park. We strictly complying with ISO9001 and ISO 2000 standard in manufacturing process, our lab and workshop tightly in accordance with GMP standard.Our products best selling in Europe, South and North America,Asia pacific area and Africa. We sincerely welcome new and regular customers around the world visit us for business negotiation.

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
South Korea	3,4-Dihydro-2H-pyran	500.00 KG	Feb 6, 2026

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