685-73-4

685-73-4结构式

常用中文名：半乳糖醛酸
常用英文名：d-galacturonic acid
CAS号：685-73-4
分子式：C₆H₁₀O₇
分子量：194.139
相关类别：生物化工糖类化合物寡糖
发布时间：2018-02-15 08:00:00
更新时间：2024-01-04 11:04:11

中文名	半乳糖醛酸
英文名	aldehydo-D-galacturonic acid
英文别名	GALACTURONATE galactouronic acid D-GALACTURONATE galaturonate D-Galactopyranuronic acid Galactopyranuronic acid, D- GALACTURONIC ACID,D A-D-GALACTURONIC ACID D-galaturonate

密度	2.0±0.1 g/cm3
沸点	495.2±45.0 °C at 760 mmHg
熔点	166°C
分子式	C₆H₁₀O₇
分子量	194.139
闪点	211.1±22.2 °C
精确质量	194.042648
PSA	135.29000
LogP	-2.88
蒸汽压	0.0±2.9 mmHg at 25°C
折射率	1.685
储存条件	2-8℃

Name:	D(+)-galacturonic acid monohydrate 99% Material Safety Data Sheet
Synonym:	Non
CAS:	685-73-4

Section 1 - Chemical Product MSDS Name:D(+)-galacturonic acid monohydrate 99% Material Safety Data Sheet
Synonym:Non

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
685-73-4	D-(+)-Galacturonic acid monohydrate	99.0	211-682-6

Hazard Symbols: None Listed.
Risk Phrases: None Listed.

Section 3 - HAZARDS IDENTIFICATION

EMERGENCY OVERVIEW
The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
Skin:
Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
Ingestion:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
Get medical aid immediately.
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:

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:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.

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. Sweep up, then place into a suitable container for disposal.

Section 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. 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 CAS# 685-73-4: Personal Protective Equipment Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.
Skin:
Wear appropriate protective gloves and clothing to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
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: white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 164.00 - 165.00 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: soluble
Specific Gravity/Density:
Molecular Formula: C6H10O7.H2O
Molecular Weight: 212.16

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
None reported.
Incompatibilities with Other Materials:
Oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 685-73-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
D-(+)-Galacturonic acid monohydrate - Not listed by ACGIH, IARC, or NTP.

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
Not regulated as a hazardous material.
IMO
Not regulated as a hazardous material.
RID/ADR
Not regulated as a hazardous material.

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# 685-73-4: No information available.
Canada
CAS# 685-73-4 is listed on Canada's NDSL List.
CAS# 685-73-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 685-73-4 is listed on the TSCA inventory.

SECTION 16 - ADDITIONAL INFORMATION
N/A

WGK德国	3
海关编码	2918990090

89946-59-8

685-73-4

文献：Carbohydrate research, , vol. 103, # 1 p. 107 - 128

73777-91-0

685-73-4

56-81-5

文献：Carbohydrate research, , vol. 103, # 1 p. 107 - 128

6812-01-7

7732-18-5

685-73-4

文献：Journal of Biological Chemistry, , vol. 234, p. 2227,2231

上游产品 3
73777-91-0 6812-01-7 7732-18-5
下游产品 9
526-99-8 499-05-8 5328-37-0 25253-46-7
98-01-1 147-71-7 1668-08-2 76539-65-6
80-72-8

海关编码	2918990090
中文概述	2918990090. 其他含其他附加含氧基羧酸（包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物）. 增值税率:17.0%. 退税率:13.0%. 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
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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