海关代码：

2918990090

危险类别码：

R36/37/38

安全说明：

S26-S37/39

安全标志：

S26:万一接触眼睛，立即使用大量清水冲洗并送医诊治。
S36:穿戴合适的防护服装。
S39:佩戴眼/面防护装置。
:

危险标志：

Xi: Irritant;

CHEMICAL IDENTIFICATION

RTECS NUMBER :

ON7175000

CHEMICAL NAME :

Malic acid

CAS REGISTRY NUMBER :

6915-15-7

LAST UPDATED :

199701

DATA ITEMS CITED :

9

MOLECULAR FORMULA :

C4-H6-O5

MOLECULAR WEIGHT :

134.10

WISWESSER LINE NOTATION :

QVYQ1VQ -L

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration onto the skin

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,657,1986

TYPE OF TEST :

Standard Draize test

ROUTE OF EXPOSURE :

Administration into the eye

SPECIES OBSERVED :

Rodent - rabbit

REFERENCE :

85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,657,1986 ** ACUTE TOXICITY DATA **

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - rat

DOSE/DURATION :

100 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4937,1982

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Oral

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

1600 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

KODAK* Kodak Company Reports. (343 State St., Rochester, NY 14650) Volume(issue)/page/year: #82-0458

TYPE OF TEST :

LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :

Intraperitoneal

SPECIES OBSERVED :

Rodent - mouse

DOSE/DURATION :

50 mg/kg

TOXIC EFFECTS :

Details of toxic effects not reported other than lethal dose value

REFERENCE :

38MKAJ "Patty's Industrial Hygiene and Toxicology," 3rd rev. ed., Clayton, G.D., and F.E. Clayton, eds., New York, John Wiley & Sons, Inc., 1978-82. Vol. 3 originally pub. in 1979; pub. as 2nd rev. ed. in 1985. Volume(issue)/page/year: 2C,4937,1982 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M1766 No. of Facilities: 1278 (estimated) No. of Industries: 11 No. of Occupations: 21 No. of Employees: 8629 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M1766 No. of Facilities: 3524 (estimated) No. of Industries: 44 No. of Occupations: 46 No. of Employees: 80674 (estimated) No. of Female Employees: 51609 (estimated)

毒理学数据：

1、  急性毒性：LD50：1000mg/Kg（狗经口）；5000mg/Kg（兔经口）；3200mg/kg（大白鼠经口）。

生态数据：

三、生态学数据：

1、其它有害作用：该物质对环境可能有危害，对水体应给予特别注意。

中国海关编码：2918990090

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

摘要/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%

分子结构数据

 五、分子性质数据：

1、  摩尔折射率：25.20

2、  摩尔体积（cm³/mol）：81.6

3、  等张比容（90.2K）：248.9

4、  表面张力（dyne/cm）：86.2

5、  极化率（10^-24cm³）：9.99

计算化学数据

1.疏水参数计算参考值（XlogP）:无

2.氢键供体数量:3

3.氢键受体数量:5

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积94.8

7.重原子数量:9

8.表面电荷:0

9.复杂度:129

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:1

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

• 
  DL-苹果酸红外图谱(IR1)
• 
  DL-苹果酸质谱(MS)
• 
  DL-苹果酸核磁图(¹³CNMR)
• 
  DL-苹果酸核磁图(¹HNMR)