Acetaldehyde 乙醛

CAS 75-07-0 MFCD00006991

化学结构图

75-07-0
SMILES: CC=O

化学属性

Mol. FormulaC2H4O
Mol. Weight44
Refractive indexn20/D 1.389
Boiling Point21 °C(lit.)
Density0.95-0.98
Melting Point-125 °C(lit.)
Flash Point-27°(-17°F)
TSCAYes
Autoignition Point365 °F
Vapor Density1.52 (vs air)
Vapor Pressure14.63 psi ( 20 °C)
Solubility> 500 G/L (20 ºC)
Stability对热和光线敏感
pH:A

别名和识别编码

Chemical NameAcetaldehyde
Synonym Acetaldeyd Ethyl aldehyde acetaldehyde RCRA waste number U001 Acetic aldehyde ethanal NCI-C56326 Aldeide acetica 乙醛, 98.5% Acetylaldehyde 醋醛 乙醛 溶液 Aldehyde acetique methanecarbaldehyde Octowy aldehyd Ethanal 乙醛 乙醛溶液 Acetaldehyde Acetaldeyde Ethylaldehyd Acetaldehyd
CAS Number75-07-0
PubChem Substance ID177
EC Number200-836-8
Beilstein Registry Number505984
MDL NumberMFCD00006991
Merck Number14,39
Chemical Name Translation乙醛
Wiswesser Line NotationVH1
LabNetwork Molecule IDLN00194878
InChIInChI=1S/C2H4O/c1-2-3/h2H,1H3
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分类

  • {SA} A-B, A-D, Alphabetical Listings, Flavors and Fragrances, Kosher Certified Products
  • A-B, Puriss p.a., Acacia, Aldehydes, Allium sativum (Garlic), Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Building Blocks, C1 to C6, Carbonyl Compounds, Chemical Synthesis, Citrus aurantium (Seville orange), Nutrition Research,
  • {SNA} A-B, A-D, Alphabetical Listings, Certified Food Grade Products, Certified Natural Products, Flavors and Fragrances, Halal Certified Products, Kosher Certified Products
  • {SNA} Aldehydes,

产品应用

  • ⑴. 化学性质活泼，分子中的羰基易进行加成、环化和聚合反应。易氧化成乙酸。在水中可形成水合物。遇明火、高热极易燃烧爆炸。
  • ⑵. 乙醛为易燃有毒液体。对眼、皮肤和呼吸器官有刺激作用。轻度中毒会引起气喘、咳嗽及头痛等症状，重者会引起肺炎及脑膜炎。长期接触会引起红细胞降低、血压升高。小鼠灌胃LD50：1232mg/kg。操作现场空气中最高容许浓度200*10-6。操作人员必须穿戴好劳动保护用具。
  • ⑶. 蒸气与空气形成爆炸性混合物，爆炸极限4.1%~57.0%（体积）。
  • ⑷. 比色法测定醛时用以制备标准溶液、还原

相关文献及参考

  • Baraona, E., and Lieber, C.S., Alcohol and lipids. Recent Dev. Alcohol. 14 , 97-134, (1998)
  • Merck: 14,39 Beilstein: 1,IV,3094
  • Short: II/14a
  • Short: II/19b
  • Merck: 14,39

安全信息

GHS Symbol
WGK Germany1
Hazard Codes 3 F+,Xn F,Xn
Hazard statements
  • H351 Suspected of causing cancer 怀疑致癌
  • H224 Extremely flammable liquid and vapour 极端易燃液体和蒸气
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
  • H317 May cause an allergic skin reaction 可能导致皮肤过敏
  • H302 Harmful if swallowed 吞食有害
  • H318 Causes serious eye damage 严重伤害眼睛
  • H336 May cause drowsiness or dizziness 肯能导致嗜睡或头晕
  • H225 Highly flammable liquid and vapour 高度易燃液体和蒸气
Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
RTECSAB1925000
Precautionary statements
  • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P281 Use personal protective equipment as required. 使用所需的个人防护装备。
  • P304+P340+P312
  • P305+P351+P338
  • P337+P313
  • P370+P378
  • P403+P235
Signal word Danger
Safety Statements
  • S16 Keep away from sources of ignition - No smoking 远离火源，禁止吸烟；
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
  • S29 Do not empty into drains 不要排入下水道；
  • S33 Take precautionary measures against static discharges 对静电采取预防措施；
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；
Risk Statements
  • R11 Highly flammable 非常易燃
  • R12 Extremely flammable 极端易燃
  • R19 May form explosive peroxides 可能生成易爆的过氧化物质
  • R36/37 Irritating to eyes and respiratory system 对眼睛和呼吸系统有刺激性
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R36/38 Irritating to eyes and skin 对眼睛和皮肤有刺激性
  • R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
  • R67 Vapours may cause drowsiness and dizziness 蒸汽可能导致嗜睡和昏厥
UN Number 1089 1993
Packing GroupII
Storage condition 储存温度 2-8°C，充氮保存 储存温度2-8℃;充氩储存 储存温度2-8℃
Warnings 危化品目录(2015) 
TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - hamster
DOSE/DURATION           : 2040 ppm/7H/52W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
   Lungs, Thorax, or Respiration - tumors
REFERENCE :
   EJCODS European Journal of Cancer and Clinical Oncology.  (Pergamon Press,
   c/o Elsevier Science, 660 White Plains Rd., Tarrytown, NY 10591)  V.17(7)-
   25, 1981-89.  For publisher information, see EJCAEL Volume(issue)/page/year:
   18,13,1982

TYPE OF TEST            : TC - Toxic concentration (other than lowest)
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1410 ppm/6H/65W-I
TOXIC EFFECTS :
   Tumorigenic - equivocal tumorigenic agent by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 31,123,1984

TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 735 ppm/6H/2Y-I
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Sense Organs and Special Senses (Olfaction) - tumors
REFERENCE :
   TXCYAC Toxicology.  (Elsevier Scientific Pub. Ireland, Ltd., POB 85,
   Limerick, Ireland) V.1-    1973-  Volume(issue)/page/year: 41,213,1986

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intravenous
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 300 mg/kg
TOXIC EFFECTS :
   Behavioral - convulsions or effect on seizure threshold
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JPETAB Journal of Pharmacology and Experimental Therapeutics.  (Williams &
   Wilkins Co., 428 E. Preston St., Baltimore, MD 21202)  V.1-    1909/10-
   Volume(issue)/page/year: 30,429,1927

TYPE OF TEST            : LD50 - Lethal dose, 50 percen

TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Human
DOSE/DURATION           : 134 ppm/30M
TOXIC EFFECTS :
   Lungs, Thorax, or Respiration - other changes
REFERENCE :
   JAMAAP JAMA, Journal of the American Medical Association.  (AMA, 535 N.
   Dearborn St., Chicago, IL 60610)  V.1-    1883-  Volume(issue)/page/year:
   165,1908,1957

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 640 mg/kg
TOXIC EFFECTS :
   Behavioral - general anesthetic
REFERENCE :
   APTOA6 Acta Pharmacologica et Toxicologica.  (Copenhagen, Denmark)  V.1-59,
   1945-86.  For publisher information, see PHTOEH  Volume(issue)/page/year:
   6,299,1950

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals
   to Man.  (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210)
   V.1-    1972-  Volume(issue)/page/year: 36,101,1985

{hazard_

TYPE OF TEST            : Cytogenetic analysis
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 40 ppm
REFERENCE :
   MUTAEX Mutagenesis. (Oxford Univ. Press, Pinkhill House, Southfield Road,
   Eynsham, Oxford OX8 1JJ, UK) V.1- 1986-  Volume(issue)/page/year: 3,207,1988

TYPE OF TEST            : Sister chromatid exchange
TEST SYSTEM             : Human Lymphocyte
DOSE/DURATION           : 1200 umol/L
REFERENCE :
   ANYAA9 Annals of the New York Academy of Sciences.  (New York Academy of
   Sciences, 2 E. 63rd St., New York, NY 10021)  V.1-    1877-
   Volume(issue)/page/year: 543,369,1988

TYPE OF TEST            : Sex chromosome loss and nondisjunction
ROUTE OF EXPOSURE       : Parenteral
TEST SYSTEM             : Insect - Drosophila melanogaster
DOSE/DURATION           : 22500 ppm
REFERENCE :
   ENMUDM Environmental Mutagenesis.  (New York, NY)  V.1-9, 1979-87.  For
   publisher information, see EMMUEG.  Volume(issue)/page/year: 7,677,1985

TYPE OF TEST            : Sex chromosome loss and nondisjunction
TEST SYSTEM             : Mold - Aspergillus nidulans
DOSE/DURATION           : 250 ppm
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 215,187,1989

TYPE OF TEST            : DNA repair
TEST SYSTEM             : Bacteria - Escherichia coli
DOSE/DURATION           : 7880 ug/plate
REFERENCE :
   EVHPAZ EHP, Environmental Health Perspective

TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Human Fibroblast
DOSE/DURATION           : 5 mmol/L
REFERENCE :
   CRNGDP Carcinogenesis (London). (Oxford Univ. Press, Pinkhill House,
   Southfield Road, Eynsham, Oxford OX8 1JJ, UK)  V.1-    1980-
   Volume(issue)/page/year: 15,985,1994

TYPE OF TEST            :

TYPE OF

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 600 mg/kg
SEX/DURATION            : female 8-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - craniofacial
   (including nose and tongue)
REFERENCE :
   SEIJBO Senten Ijo.  Congenital Anomalies.  (Nippon Senten Ijo Gakkai, c/o
   Kinki Daigaku Igakubu Kaibagaku Kyoshitsu, 380 Nishiyama, Sayama-cho,
   Mirami-Kawachi-gun, Osaka-fu, Japan) V.1-26, 1960-86. For publisher
   information, see CGANE7.  Volume(issue)/page/year: 23,13,1983

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 640 ug/kg
SEX/DURATION            : female 10 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Specific Developmental Abnormalities - musculoskeletal system
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 27,231,1983

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 5040 mg/kg
SEX/DURATION            : female 1-21 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Newborn - growth statistics (e.g.%, reduced weight
   gain)
REFERENCE :
   AKYIDF Arukoru Kenkyu to Yakubutsu Izon.  Alcohol Studies and Drug
   Dependence.  (Japan Kyoto-furitsu Ika Daigaku Hoigaku Kyoshitsu, 465
   Kajii-cho, Hirokoji-agaru, Kawara-machi, Kamigyo-ku, Kyoto, 602, Japan)
   V.16-    1981-  Volume(issue)/page/year: 27,334,1992

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperiton

Restrict 危险品

其他信息

  • ⑴. 储存于阴凉、通风的库房。远离火种、热源。库温不宜超过29℃。包装要求密封，不可与空气接触。应与氧化剂、还原剂、酸类等分开存放，切忌混储。 ⑵. 不宜大量储存或久存。 ⑶. 采用防爆型照明、通风设施。禁止使用易产生火花的机械设备和工具。储区应备有泄漏应急处理设备和合适的收容材料。

系列性分类

  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  1. Application Areas 应用领域分类
  2. Flavors and Fragrances 香精香料
  3. Certified Natural Products - Flavors and Fragrances
  1. Application Areas 应用领域分类
  2. Flavors and Fragrances 香精香料
  3. Halal Certified Products - Flavors and Fragrances
  1. Application Areas 应用领域分类
  2. Flavors and Fragrances 香精香料
  3. Kosher Certified Products - Flavors and Fragrances
  4. A-D - Kosher Certified Products
  1. Application Areas 应用领域分类
  2. Flavors and Fragrances 香精香料
  3. Alphabetical Listings - Flavors and Fragrances
  4. A-B - Alphabetical Listings
  1. Life Science 生命科学
  2. Nutrition Research 营养研究
  3. Phytochemicals by Plant (Food/Spice/Herb) - Nutrition Research
  4. Allium sativum (Garlic) - Phytochemicals by Plant (Food/Spice/Herb)
  1. Research Essentials 基础科研
  2. Essential Chemicals - Research Essentials
  3. Inorganic Salts, Solutions and Reagents - Essential Chemicals
  4. Reagent Grade - Inorganic Salts, Solutions and Reagents
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Carbonyl Compounds 羰基化合物
  5. Aldehydes - Carbonyl Compounds
  6. C1 to C6 - Aldehydes
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Reagents
  3. Analytical Reagents for General Use - Analytical Reagents
  4. Puriss p.a. - Analytical Reagents for General Use
  5. A-B, Puriss p.a. - Puriss p.a.
  1. Analytical & Chromatography 分析化学与色谱
  2. Analytical Standards
  3. Chromatography - Analytical Standards
  4. Food & Beverage Standards - Chromatography
  5. Nutraceuticals - Food & Beverage Standards
  6. Flavors and Fragrances - Nutraceuticals
  7. A-F - Flavors and Fragrances
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Oxygen Compounds 氧化合物
  5. Aromatic alcohols 芳香醇
  1. Chemical Synthesis 化学合成
  2. Building Blocks 合成砌块
  3. Organic Building Blocks 有机砌块
  4. Oxygen Compounds 氧化合物
  5. Aromatic alcohols 芳香醇
  1. Research Essentials 基础科研
  2. Essential Chemicals - Research Essentials
  3. Inorganic Salts, Solutions and Reagents - Essential Chemicals
  4. Gas in Solutions 气体溶液
  1. Research Essentials 基础科研
  2. Essential Chemicals - Research Essentials
  3. Inorganic Salts, Solutions and Reagents - Essential Chemicals
  4. Gas in Solutions 气体溶液