D(+)-Xylose | 87-72-9

• 物质功能分类: 生物化工 - 糖类化合物 - 单糖
• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: D(+)-Xylose
• 英文别名: (4R,5R)-oxane-2,3,4,5-tetrol
• CAS: 87-72-9；608-45-7；608-46-8；608-47-9；2460-44-8；6748-95-4；6763-34-4；7261-26-9；7283-06-9；7283-07-0；7296-55-1；7296-56-2；7296-58-4；7296-59-5；7296-60-8；7296-61-9；7296-62-0；7322-30-7；10257-31-5；10257-32-6；10257-33-7；10257-34-8；10257-35-9；19982-83-3；20242-88-0；28697-53-2；36562-42-2；41546-41-2；89299-64-9；107655-34-5；115794-06-4；115794-07-5；130550-15-1；130606-21-2
• 化学式: C₅H₁₀O₅
• 分子量: 150.131
• InChiKey: SRBFZHDQGSBBOR-LRVBXBKUSA-N

物化性质

• 熔点：
  162-164 °C(lit.)
• 比旋光度：
  -103.5 º (c=4, H2O, 24hrs.)
• 沸点：
  191.65°C (rough estimate)
• 密度：
  1.1897 (rough estimate)
• 溶解度：
  H2O:1 Mat 20 °C,透明，无色

计算性质

• 辛醇/水分配系数(LogP)：
  -2.5
• 重原子数：
  10
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  1.0
• 拓扑面积：
  90.2
• 氢给体数：
  4
• 氢受体数：
  5

安全信息

• 危险品标志：
  Xn
• 安全说明：
  S24/25
• 危险类别码：
  R20/21/22
• WGK Germany：
  3
• 海关编码：
  29400000
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  2-8°C

SDS

Name:	l-(+)-Arabinose 99+% Material Safety Data Sheet
Synonym:	Non
CAS:	87-72-9

Section 1 - Chemical Product MSDS Name:l-(+)-Arabinose 99+% Material Safety Data Sheet
Synonym:Non

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Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
87-72-9	L-(+)-Arabinose	+99.0	201-767-6

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

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Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Not available.
Potential Health Effects
Eye:
May cause mild eye irritation.
Skin:
Non-irritating to the skin.
Ingestion:
Expected to be a low ingestion hazard.
Inhalation:
Low hazard for usual industrial handling.
Chronic:
No information found.

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Section 4 - FIRST AID MEASURES
Eyes: Get medical aid. Gently lift eyelids and flush continuously with water.
Skin:
Get medical aid if irritation develops or persists. Flush skin with plenty of soap and water.
Ingestion:
Get medical aid if irritation or symptoms occur.
Inhalation:
Remove from exposure and move to fresh air immediately. Get medical aid if cough or other symptoms appear.
Notes to Physician:

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

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Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Sweep up, then place into a suitable container for disposal.

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Section 7 - HANDLING and STORAGE
Handling:
Use with adequate ventilation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.

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Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Good general ventilation should be sufficient to control airborne levels.
Exposure Limits CAS# 87-72-9: 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.

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Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Powder
Color: white
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 160.00 - 163.00 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: C5H10O5
Molecular Weight: 150.13

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

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Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 87-72-9 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
L-(+)-Arabinose - Not listed by ACGIH, IARC, or NTP.

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Section 12 - ECOLOGICAL INFORMATION

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

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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.

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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# 87-72-9: No information available.
Canada
CAS# 87-72-9 is listed on Canada's NDSL List.
CAS# 87-72-9 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 87-72-9 is listed on the TSCA inventory.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

制备方法与用途

生物活性

D-阿拉伯糖是一种单糖，对秀丽隐杆线虫有较强的生长抑制作用，其 IC50 值为 7.5 mM。

化学性质

D-阿拉伯糖为白色结晶，无味。熔点为 162-164℃，相对密度为 1.585，折光率为 1.585，[α]D20 值为 -104.3°（C=3，H2O）。该物质微溶于乙醇，而不溶于甲醇、乙醚或丙酮。

用途

D-阿拉伯糖可作为阿糖胞苷的中间体，并且也可用作生化试剂，用于细菌培养。此外，它还可用作甜味剂。

生产方法

D-阿拉伯糖可以通过葡萄糖酸钙在三价铁离子参与下与过氧化氢反应进行还原制备。同时，也可以从植物中提取得到。

反应信息

• 作为产物：
  描述：

  [(2S,3R,4S,5S)-3-[(2S,3R,4R,5S,6S)-5-[(2S,3R,4S,5R)-3,5-dihydroxy-4-[(2S,3R,4R,5S,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-3,4-dihydroxy-6-methyloxan-2-yl]oxy-4,5-dihydroxyoxan-2-yl] (4aR,5R,6aR,6aS,6bR,8R,8aR,9S,10R,11S,12aR,14bS)-5,8,10,11-tetrahydroxy-9-(hydroxymethyl)-2,2,6a,6b,9,12a-hexamethyl-1,3,4,5,6,6a,7,8,8a,10,11,12,13,14b-tetradecahydropicene-4a-carboxylate 、 水 、 盐酸 、 甲醇 生成 D(+)-Xylose
  参考文献：
  名称：

  GARIBOLDI, PIERLUIGI;VEROTTA, LUISELLA;GABETTA, BRUNO, PHYTOCHEMISTRY, 29,(1990) N, C. 2629-2635

  摘要：

  DOI：