2450-31-9

2450-31-9结构式

常用中文名：二十四烷二酸
常用英文名：Tetracosanedioic Acid
CAS号：2450-31-9
分子式：C₂₄H₄₆O₄
分子量：398.62000
发布时间：2018-10-17 14:44:45
更新时间：2024-01-06 18:18:25

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中文名	二十四烷二酸
英文名	Tetracosanedioic Acid
英文别名	Dokosan-1,22-dicarbonsaeure 1,22-Docosanedicarboxylicacid 1,24-Tetracosanedioic acid Tetracosandisaeure Tetracosan-1,24-dioic acid

密度	0.962 g/cm3
沸点	549.4ºC at 760 mmHg
分子式	C₂₄H₄₆O₄
分子量	398.62000
闪点	300.1ºC
精确质量	398.34000
PSA	74.60000
LogP	7.73780
储存条件	2-8°C，干燥

Name:	Tetracosanedioic acid 99%(gc) Material Safety Data Sheet
Synonym:
CAS:	2450-31-9

Section 1 - Chemical Product MSDS Name:Tetracosanedioic acid 99%(gc) Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
2450-31-9	Tetracosanedioic acid, 99%(gc)	99	unlisted

Hazard Symbols: Not available.
Risk Phrases:

Section 3 - HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW
Not available.
Appearance: off-white.
Not available.
Target Organs: None.
Potential Health Effects
The toxicological properties of this material have not been investigated. Use appropriate procedures to prevent opportunities for direct contact with the skin or eyes and to prevent inhalation.

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 immediately.
Skin:
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Remove contaminated clothing and shoes.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion.
Extinguishing Media:
Use agent most appropriate to extinguish fire.

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels.
Exposure Limits +--------------------+-------------------+-------------------+-----------------+ | Chemical Name | ACGIH | NIOSH |OSHA - Final PELs| |--------------------|-------------------|-------------------|-----------------| | Tetracosanedioic ac|none listed |none listed |none listed | | id, 99%(gc) | | | | +--------------------+-------------------+-------------------+-----------------+ OSHA Vacated PELs: Tetracosanedioic acid, 99%(gc): No OSHA Vacated PELs are listed for this chemical.
Personal Protective Equipment Eyes: Wear chemical goggles.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Not available.
Appearance: off-white
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 270 deg C
Freezing/Melting Point: 124.00 - 127.00 deg C
Autoignition Temperature: Not available.
Flash Point: > 110 deg C (> 230.00 deg F)
NFPA Rating: Not published.
Explosion Limits, Lower: Not available.
Upper: Not available.
Decomposition Temperature:
Solubility:
Specific Gravity/Density:
Molecular Formula: C24H46O4
Molecular Weight: 398.63

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases.
Hazardous Polymerization: Not available.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 2450-31-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Tetracosanedioic acid, 99%(gc) - Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION

Section 13 - DISPOSAL CONSIDERATIONS
Chemical waste generators must determine whether a discarded chemical is classif as a hazardous waste.
US EPA guidelines for the classification determination are listed in 40 CFR Part Additionally, waste generators must consult state and local hazardous waste regu ensure complete and accurate classification.
RCRA P-Series: None listed.
RCRA U-Series: None listed.

Section 14 - TRANSPORT INFORMATION

CDG/CPL
Not classified as hazardous for supply.
Canadian TDG
No information available.

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: Not available.
Risk Phrases:
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 2450-31-9: No information available.
United Kingdom Occupational Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
WHMIS: Not available.
CAS# 2450-31-9 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 2450-31-9 is not listed on the TSCA inventory.
It is for research and development use only.
Health & Safety Reporting List
None of the chemicals are on the Health & Safety Reporting List.
Chemical Test Rules
None of the chemicals in this product are under a Chemical Test Rule.
Section 12b
None of the chemicals are listed under TSCA Section 12b.
TSCA Significant New Use Rule
None of the chemicals in this material have a SNUR under TSCA.
SARA
Section 302 (RQ)
None of the chemicals in this material have an RQ.
Section 302 (TPQ)
None of the chemicals in this product have a TPQ.
Section 313
No chemicals are reportable under Section 313.
Clean Air Act:
This material does not contain any hazardous air pollutants.
This material does not contain any Class 1 Ozone depletors.

SECTION 16 - ADDITIONAL INFORMATION
N/A

海关编码	2917190090

海关编码	2917190090
中文概述	2917190090 其他无环多元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%
申报要素	品名, 成分含量, 用途, 对苯二甲酸请注明4-CBA值, 对苯二甲酸请注明P-TL酸值, 对苯二甲酸请注明色度, 对苯二甲酸请注明水分
Summary	2917190090 acyclic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

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