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78-59-1生产厂家

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78-59-1

78-59-1结构式
78-59-1结构式
  • 常用中文名:异佛尔酮
  • 常用英文名:Isophorone
  • CAS号:78-59-1
  • 分子式:C9H14O
  • 分子量:138.207
  • 相关类别: 有机原料 酮类化合物
  • 发布时间:2018-02-04 08:00:00
  • 更新时间:2024-01-02 18:02:07
  • Isophorone 是一种 α,β-不饱和环状酮,可用作聚合物的前体。

化源商城直购

中文名 异佛尔酮
英文名 isophorone
中文别名 3,5,5-三甲基环己-2-烯酮
1,1,3-三甲基环己烯酮
3,5,5-三甲基-2-环己烯-1-酮
1,13-三甲基环己烯酮
1,1,3-三甲基-3-环己烯-5-酮
异福尔酮
英文别名 Isooctopherone
Izoforon
3,5,5-trimethylcyclohex-2-en-1-one
3,5,5-trimethyl-cyclohex-2-en-1-one
3,5,5-Trimethyl-2-cyclohexen-1-one
ISOPHORONE
Isoacetophorone
3,3,5-trimethyl-cyclohex-5-en-1-one
Isoforone
3,5,5-trimethyl-2-cyclohexenone
EINECS 201-126-0
Isoforon
MFCD00001584
描述 Isophorone 是一种 α,β-不饱和环状酮,可用作聚合物的前体。
相关类别
体外研究 异佛尔酮选择性氧化制备4-羟基西索酮是一种重要的香料化合物,也是色素和药物分子的合成中间体,是生物催化氧化的理想靶点[1]。
参考文献

[1]. Dezvarei S, et al. Stereoselective hydroxylation of isophorone by variants of the cytochromes P450 CYP102A1 and CYP101A1. Enzyme Microb Technol. 2018 Apr;111:29-37.

密度 0.9±0.1 g/cm3
沸点 215.2±0.0 °C at 760 mmHg
熔点 −8 °C(lit.)
分子式 C9H14O
分子量 138.207
闪点 84.4±0.0 °C
精确质量 138.104462
PSA 17.07000
LogP 2.07
外观性状 淡黄色液体
蒸汽密度 4.77 (vs air)
蒸汽压 0.2±0.4 mmHg at 25°C
折射率 1.455
储存条件

本品应密封保存。

稳定性

1. 为可燃性液体,但蒸发速度慢,难着火。

2. 化学性质:在光照下生成二聚物;加热到670~700℃生成3,5-二甲苯酚;空气氧化时生成4,6,6-三甲基-1,2-环己二酮;用发烟硫酸处理,则发生异构化和脱水作用;与亚硫酸氢钠不发生加成反应,但可与氢氰酸加成;加氢时生成3,5,5-三甲基环己醇。

3. 存在于烤烟烟叶、白肋烟烟叶、香料烟烟叶、主流烟气中。

分子结构

1、 摩尔折射率:41.43

2、 摩尔体积(cm3/mol):152.6

3、 等张比容(90.2K):346.2

4、 表面张力(dyne/cm):26.4

5、 极化率(10-24cm3):16.42

计算化学

1.疏水参数计算参考值(XlogP):1.6

2.氢键供体数量:0

3.氢键受体数量:1

4.可旋转化学键数量:0

5.互变异构体数量:8

6.拓扑分子极性表面积17.1

7.重原子数量:10

8.表面电荷:0

9.复杂度:187

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

更多

1. 性状:无色液体,低挥发性,有类似樟脑的气味。

2. 相对密度(g/mL,20/20℃):0.9255

3. 相对密度(20℃,4℃):0.9229

4. 熔点(ºC):-8.1

5. 沸点(ºC,常压):215.3

6. 相对密度(25℃,4℃):0.9185

7. 折射率(n18D):1.4766

8. 闪点(ºC,开口):84

9. 黏度(mPa·s,20ºC):2.62

10. 燃点(ºC):462

11. 常温折射率(n25):1.4750

12. 蒸发热(KJ/mol):48.15

13. 燃烧热(KJ/mol):5272

14. 液相标准热熔(J·mol-1·K-1):275.7

15. 临界压力(KPa):不确定

16. 比热容(KJ/(kg·K),15ºC,定压):1.78

17. 爆炸上限(%,V/V):3.8

18. 爆炸下限(%,V/V):0.84

19. 溶解性:能与大部分有机溶剂和多数硝酸纤维素漆混溶。对纤维素酯、纤维素醚、油脂、天然及合成橡胶、树脂类,特别是对硝酸纤维素、乙烯基树脂、醇酸树脂、三聚氰胺树脂、聚苯乙烯等有较高的溶解能力。20℃时在水中溶解1.2%;水在异佛尔酮中溶解4.3%。

国标编号:
CAS: 78-59-1
中文名称: 异佛尔酮
英文名称: Isophorone;3,5,5-Trimethyl-2-cyclohexen-1-one
别 名: 1,13-三甲基环己烯酮
分子式: C9H14O;(H3C)2CCH2COCHCCH3CH2
分子量: 138.23
熔 点: -8.1℃
密 度: 相对密度(水=1)0.923
蒸汽压: 84℃
溶解性: 微溶于水,易溶于多数有机溶剂
稳定性: 稳定
外观与性状: 水白色液体,带有薄荷香味
危险标记:
用 途: 用作油类、树胶、树脂、漆、硝基纤维的溶剂及化学合成中间体

2.对环境的影响
一、健康危害

侵入途径:吸入、食入、经皮吸收。
健康危害:对眼睛、粘膜和皮肤有刺激作用。人接触后有烦躁感觉。本品沸点较高,在生产实际中未见严重中毒或慢性中毒报告。

二、毒理学资料及环境行为

毒性:属低毒类。对粘膜、皮肤刺激性强。
急性毒性:LD502330mg/kg(大鼠经口);2000mg/kg(小鼠经口);1500mg/kg(兔经皮);人吸入228mg/m3×1小时眼鼻粘膜受损

危险特性:与空气混合能形成爆炸性混合物,遇明火、高热或与氧化剂接触,有引起燃烧爆炸的危险。若遇高热,容器内压增大,有开裂和爆炸的危险。
燃烧(分解)产物:一氧化碳、二氧化碳。

3.现场应急监测方法
 

4.实验室监测方法
气相色谱法《固体废弃物试验分析评价手册》中国环境监测总站等译

5.环境标准
美国 车间卫生标准 25mg/m3

6.应急处理处置方法
一、泄漏应急处理

疏散泄漏污染区人员至安全区,禁止无关人员进入污染区,建议应急处理人员戴好防毒面具,穿化学防护服。用水冲洗,经稀释的洗水放入废水系统。也可以用砂土干燥石灰或苏打灰混合,收集于一个密闭的容器中,运至废物处理场所。如大量泄漏,利用围堤收容,然后收集、转移、回收或无害处理后废弃。

二、防护措施

呼吸系统防护:可能接触其蒸气时,应该佩戴防毒口罩。紧急事态抢救或逃生时,建议佩戴防毒面具。
眼睛防护:戴化学安全防护眼镜。
防护服:穿相应的防护服。
手防护:戴防化学品手套。
其它:工作后,淋浴更衣。保持良好的卫生习惯。

三、急救措施

皮肤接触:用肥皂水及清水彻底冲洗。就医。
眼睛接触:拉开眼睑,用流动清水冲洗15分钟。就医。
吸入:脱离现场至空气新鲜处。呼吸困难时给输氧。呼吸停止时,立即进行人工呼吸。就医。
食入:误服者,饮适量温水,催吐。就医。

灭火方法:雾状水、抗溶性泡沫、二氧化碳、干粉。

毒理学数据:

属低毒类。蒸气毒性比简单的脂肪族酮大,但常温下蒸气压低,故危害性较小。大鼠试验结果表明异佛尔酮是毒性强的酮类之一,能引起肾脏障碍,损害眼的角膜。人接触后有烦躁感。当蒸气浓度达141mg/m3以上,对眼、鼻有刺激。脱脂作用强,应避免与皮肤接触。对金属无腐蚀性。工作场所最高容许浓度141mg/m3。

CHEMICAL IDENTIFICATION

RTECS NUMBER :
GW7700000
CHEMICAL NAME :
2-Cyclohexen-1-one, 3,5,5-trimethyl-
CAS REGISTRY NUMBER :
78-59-1
BEILSTEIN REFERENCE NO. :
1280721
LAST UPDATED :
199807
DATA ITEMS CITED :
65
MOLECULAR FORMULA :
C9-H14-O
MOLECULAR WEIGHT :
138.23
WISWESSER LINE NOTATION :
L6V BUTJ C1 D1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Human
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration into the eye
SPECIES OBSERVED :
Rodent - guinea pig
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Human
DOSE/DURATION :
25 ppm
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Sense Organs and Special Senses (Eye) - conjunctive irritation Lungs, Thorax, or Respiration - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1870 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1840 ppm/4H
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - lacrimation Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - hypermotility, diarrhea
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
2690 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>3500 mg/kg/6H
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - acute pulmonary edema
TYPE OF TEST :
LD - Lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Mammal - dog
DOSE/DURATION :
>10 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Cardiac - pulse rate Lungs, Thorax, or Respiration - respiratory stimulation
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1420 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
1500 uL/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
700 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
4600 ppm/8H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
24 gm/kg/16D-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
65 gm/kg/13W-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 ppm/8H/6W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Kidney, Ureter, Bladder - changes in both tubules and glomeruli Related to Chronic Data - death
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
500 ppm/8H/6W-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Eye) - effect, not otherwise specified Liver - other changes Kidney, Ureter, Bladder - other changes in urine composition
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
208 mg/m3/6H/4W-I
TOXIC EFFECTS :
Liver - changes in liver weight Nutritional and Gross Metabolic - weight loss or decreased weight gain
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
24 gm/kg/16D-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
65 gm/kg/13W-I
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
500 ppm/8H/6W-I
TOXIC EFFECTS :
Lungs, Thorax, or Respiration - other changes Kidney, Ureter, Bladder - changes in both tubules and glomeruli Related to Chronic Data - death
TYPE OF TEST :
TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
500 ppm/8H/6W-I
TOXIC EFFECTS :
Liver - other changes Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Blood - changes in other cell count (unspecified)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
180 gm/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - equivocal tumorigenic agent by RTECS criteria Kidney, Ureter, Bladder - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
258 gm/kg/2Y-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Kidney, Ureter, Bladder - Kidney tumors

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
REFERENCE :
NTPTR* National Toxicology Program Technical Report Series. (Research Triangle Park, NC 27709) No.206- Volume(issue)/page/year: NTP-TR-291,1986 *** REVIEWS *** ACGIH TLV-Animal carcinogen DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 ACGIH TLV-CL 28 mg/m3 (5 ppm) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: TLV/BEI,1997 *** U.S. STANDARDS AND REGULATIONS *** MSHA STANDARD-air:TWA 25 ppm (140 mg/m3) DTLVS* The Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) booklet issues by American Conference of Governmental Industrial Hygienists (ACGIH), Cincinnati, OH, 1996 Volume(issue)/page/year: 3,140,1971 OSHA PEL (Gen Indu):8H TWA 25 ppm (140 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1910.1000,1994 OSHA PEL (Construc):8H TWA 25 ppm (140 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1926.55,1994 OSHA PEL (Shipyard):8H TWA 25 ppm (140 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 29,1915.1000,1993 OSHA PEL (Fed Cont):8H TWA 25 ppm (140 mg/m3) CFRGBR Code of Federal Regulations. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) Volume(issue)/page/year: 41,50-204.50,1994 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-AUSTRALIA:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-BELGIUM:STEL 5 ppm (28 mg/m3) JAN 1993 OEL-DENMARK:STEL 5 ppm (25 mg/m3) JAN 1993 OEL-FINLAND:TWA 5 ppm (28 mg/m3);STEL 10 ppm (56 mg/m3) JAN 1993 OEL-FRANCE:STEL 5 ppm (25 mg/m3) JAN 1993 OEL-GERMANY:TWA 5 ppm (28 mg/m3) JAN 1993 OEL-THE NETHERLANDS:TWA 5 ppm (25 mg/m3) JAN 1993 OEL-THE PHILIPPINES:TWA 25 ppm (140 mg/m3) JAN 1993 OEL-POLAND:TWA 5 mg/m3 JAN 1993 OEL-RUSSIA:STEL 1 mg/m3 JAN 1993 OEL-SWEDEN:STEL 5 ppm (30 mg/m3) JAN 1993 OEL-SWITZERLAND:TWA 5 ppm (28 mg/m3) JAN 1993 OEL-TURKEY:TWA 25 ppm (149 mg/m3) JAN 1993 OEL-UNITED KINGDOM:TWA 5 ppm (25 mg/m3);STEL 5 ppm (25 mg/m3) JAN 1993 OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGIH TLV *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH RECOMMENDED EXPOSURE LEVEL (REL) : NIOSH REL TO ISOPHORONE-air:10H TWA 4 ppm REFERENCE : NIOSH* National Institute for Occupational Safety and Health, U.S. Dept. of Health, Education, and Welfare, Reports and Memoranda. Volume(issue)/page/year: DHHS #92-100,1992 NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 40910 No. of Facilities: 2934 (estimated) No. of Industries: 44 No. of Occupations: 40 No. of Employees: 26825 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 40910 No. of Facilities: 3593 (estimated) No. of Industries: 43 No. of Occupations: 47 No. of Employees: 47097 (estimated) No. of Female Employees: 10353 (estimated)

符号 GHS07 GHS08
GHS07, GHS08
信号词 Warning
危害声明 H302 + H312-H319-H335-H351
警示性声明 P280-P301 + P312 + P330-P302 + P352 + P312-P305 + P351 + P338
个人防护装备 Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
危害码 (欧洲) Xn:Harmful
风险声明 (欧洲) R21/22;R36/37;R40
安全声明 (欧洲) S13-S23-S36/37/39-S46
危险品运输编码 2810.0
WGK德国 1
RTECS号 GW7700000
危险类别 6.1
海关编码 2914190090

1.由3分子丙酮聚合而得。
2.异亚丙基丙酮法 用异亚丙基丙酮和乙酰乙酸乙酯在催化剂作用下,经环化、水解制得异佛尔酮。此工艺路线的优点是在常压和较低温度下进行,因此,它条件温和,操作简单,设备投资少。缺点是由于原料价格较高,产品成本高,难于推广应用,故该法现已淘汰。

丙酮缩合法 在碱性催化剂、高温条件下,三分子丙酮缩合生成一分子异佛尔酮:

78-59-1 preparation

丙酮合成异佛尔酮的方法按接触状态可分为两种,一种是固体催化剂的多相催化缩合法,另一种是在碱性溶液中加压液相缩合法。
①固体催化剂多相催化缩合法 在催化剂(铝酸镁、氧化锌氧化铋、氧化钙氢氧化钙、硅藻土制成的阴离子型催化剂等)的作用下,丙酮在300℃左右条件下缩合制异佛尔酮。
②液相缩合法 该法从操作上分有间歇和连续两种方法,连续法有利于降低成本,提高产量。易实现自动化控制,改善劳动条件,目前国外多采用连续法。异佛尔酮的连续液相缩合法工艺流程如下:
78-59-1 preparation

将一定量的丙酮、水、催化剂加入反应釜中,反应温度控制在150~300℃,压力3.0~3.5MPa,时间1.5~2h。反应结束后,将物料加入1#蒸馏塔常压蒸馏,蒸出未反应的丙酮、水,冷凝后返回反应釜继续参加反应。然后将物料放入分层器分相,分出下层碱液待处理,上层加入2#蒸馏塔,蒸出的二丙酮醇、异亚丙基丙酮可作产品出售,亦可返回反应釜继续参与反应。该条件下得到的异佛尔酮总收率为60%~70%,二丙酮醇产率16%,异亚丙基丙酮产率为7%,高沸物含量约为3%~7%,丙酮转化率为30%~40%。
精制方法异佛尔酮是由丙酮缩合得到的,含有未反应的丙酮、双丙酮醇、异亚丙基丙酮等杂质。一般用减压蒸馏精制。或在粗异佛尔酮中加入0.05%~0.1%对甲苯磺酸进行减压蒸馏。也有用5%碳酸钠水溶液洗涤后减压蒸馏精制。

3. 烟草:BU,56;BU,14;FC,9, 18, 40;BU,OR,18。

海关编码 2914299000
中文概述 2914299000. 其他不含其他含氧基的环烷酮、环烯酮或环萜烯酮. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:5.5%. 普通关税:30.0%
申报要素 品名, 成分含量, 用途, 丙酮报明包装
Summary 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%