2H-Chromene-3-carbaldehyde

Modify Date: 2026-08-14 22:18:25

2H-Chromene-3-carbaldehyde Structure
2H-Chromene-3-carbaldehyde structure
Common Name 2H-Chromene-3-carbaldehyde
CAS Number 51593-69-2 Molecular Weight 160.16900
Density 1.28g/cm3 Boiling Point 106 °C
Molecular Formula C10H8O2 Melting Point 170-174 °C
MSDS N/A Flash Point 145.387ºC

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 2H-Chromene-3-carbaldehyde
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.28g/cm3
Boiling Point 106 °C
Melting Point 170-174 °C
Molecular Formula C10H8O2
Molecular Weight 160.16900
Flash Point 145.387ºC
Exact Mass 160.05200
PSA 26.30000
LogP 1.66130
Index of Refraction 1.661
InChIKey RISKINCQRSLFRK-UHFFFAOYSA-N
SMILES O=CC1=Cc2ccccc2OC1
Storage condition 2-8°C

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

Name: 2H-chromene-3-carbaldehyde 97% Material Safety Data Sheet
Synonym:
CAS: 51593-69-2
Section 1 - Chemical Product MSDS Name:2H-chromene-3-carbaldehyde 97% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
51593-69-2 2H-Chromene-3-carbaldehyde 97% unlisted
Hazard Symbols: XI
Risk Phrases: 36/37/38

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container.

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store under an inert atmosphere.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 51593-69-2: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Solid
Color: pale yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 104 - 106 deg C @0.4mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H8O2
Molecular Weight: 160.17

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Oxidizing agents, reducing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, acrid smoke and fumes.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 51593-69-2: DJ2220000 LD50/LC50:
Not available.
Carcinogenicity:
2H-Chromene-3-carbaldehyde - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION


Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 51593-69-2: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 51593-69-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 51593-69-2 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
DJ2220000
CHEMICAL NAME :
2H-1-Benzopyran-3-carboxaldehyde
CAS REGISTRY NUMBER :
51593-69-2
BEILSTEIN REFERENCE NO. :
1282422
LAST UPDATED :
199612
DATA ITEMS CITED :
1
MOLECULAR FORMULA :
C10-H8-O2
MOLECULAR WEIGHT :
160.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
550 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
EJMCA5 European Journal of Medicinal Chemistry--Chimie Therapeutique. (Editions Scientifiques Elsevier, 29 rue Buffon, F-75005, Paris, France) V.9- 1974- Volume(issue)/page/year: 11,81,1976

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Hazard Codes Xi
Risk Phrases R36
Safety Phrases S26
WGK Germany 3
RTECS DJ2220000
HS Code 2912190090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

~90%

2H-Chromene-3-carbaldehyde Structure

2H-Chromene-3-c...

CAS#:51593-69-2

Learn More
Literature: NEUROCRINE BIOSCIENCES, INC. Patent: US2006/276454 A1, 2006 ; Location in patent: Page/Page column 26 ; US 20060276454 A1

~73%

2H-Chromene-3-carbaldehyde Structure

2H-Chromene-3-c...

CAS#:51593-69-2

Learn More
Literature: Ravichandran Synthetic Communications, 2001 , vol. 31, # 8 p. 1233 - 1235

~92%

2H-Chromene-3-carbaldehyde Structure

2H-Chromene-3-c...

CAS#:51593-69-2

Learn More
Literature: Brenna, Elisabetta; Gatti, Francesco G.; Malpezzi, Luciana; Monti, Daniela; Parmeggiani, Fabio; Sacchetti, Alessandro Journal of Organic Chemistry, 2013 , vol. 78, # 10 p. 4811 - 4822

~%

2H-Chromene-3-carbaldehyde Structure

2H-Chromene-3-c...

CAS#:51593-69-2

Learn More
Literature: Kumari, Kumkum; Raghuvanshi, Dushyant Singh; Singh, Krishna Nand Tetrahedron, 2013 , vol. 69, # 1 p. 82 - 88

~%

2H-Chromene-3-carbaldehyde Structure

2H-Chromene-3-c...

CAS#:51593-69-2

Learn More
Literature: Kumari, Kumkum; Raghuvanshi, Dushyant Singh; Singh, Krishna Nand Tetrahedron, 2013 , vol. 69, # 1 p. 82 - 88

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2912190090
Summary 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

2h-chromene-3-carbaldehyde
MFCD01662414

 2H-Chromene-3-carbaldehyde | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What English synonyms does 2H-Chromene-3-carbaldehyde have?
A: English synonyms of 2H-Chromene-3-carbaldehyde: 2h-chromene-3-carbaldehyde, MFCD01662414.
Q: What are the storage conditions for 2H-Chromene-3-carbaldehyde?
A: Storage conditions for 2H-Chromene-3-carbaldehyde: 2-8°C.
Q: What is the boiling point of 2H-Chromene-3-carbaldehyde?
A: Boiling point of 2H-Chromene-3-carbaldehyde is 106 °C.
Q: What is the InChIKey of 2H-Chromene-3-carbaldehyde?
A: InChIKey of 2H-Chromene-3-carbaldehyde is RISKINCQRSLFRK-UHFFFAOYSA-N.
Q: What is the safety information for 2H-Chromene-3-carbaldehyde?
A: Safety information for 2H-Chromene-3-carbaldehyde: S26.
Q: What is the polar surface area (PSA) of 2H-Chromene-3-carbaldehyde?
A: Polar surface area (PSA) of 2H-Chromene-3-carbaldehyde is 26.30000.
Q: What is the molecular formula of 2H-Chromene-3-carbaldehyde?
A: Molecular formula of 2H-Chromene-3-carbaldehyde is C10H8O2.
Q: What are the downstream products of 2H-Chromene-3-carbaldehyde?
A: Related downstream products(CAS) of 2H-Chromene-3-carbaldehyde: 76727-28-1;115822-61-2;254-04-6;2445-82-1.
Q: What is the SMILES notation of 2H-Chromene-3-carbaldehyde?
A: SMILES notation of 2H-Chromene-3-carbaldehyde is O=CC1=Cc2ccccc2OC1.
Q: What is the LogP of 2H-Chromene-3-carbaldehyde?
A: LogP of 2H-Chromene-3-carbaldehyde is 1.66130.

 2H-Chromene-3-carbaldehydefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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