CAS 139-13-9 MFCD00004287-Nitrilotriacetic acid 次氮基三乙酸 TAO{mole}

Nitrilotriacetic acid 次氮基三乙酸

CAS 139-13-9 MFCD00004287

化学结构图

SMILES: O=C(O)CN(CC(=O)O)CC(=O)O

化学属性

Mol. Formula	C6H9NO6
Mol. Weight	191.14
Melting Point	245 °C
TSCA	Yes
Solubility	不溶. <0.01 G/100 ML AT 23 ºC
Density	1.61
Stability	对湿度敏感
Flash Point	100°C
Boiling Point	326.86 °C at 760 mmHg

别名和识别编码

Chemical Name	Nitrilotriacetic acid
Synonym	Nitrilotriacetic acid {LY} Nitrilotriacetic acid {} {LY} Nitrilotriacetic acid {} {} {LY} Nitrilotriacetic acid {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} Nitrilotriacetic acid {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {}
MDL Number	MFCD00004287
CAS Number	139-13-9
PubChem Substance ID	8758
EC Number	205-355-7
Beilstein Registry Number	1710776
Merck Number	6579
Reaxys-RN	1710776
Chemical Name Translation	次氮基三乙酸
Wiswesser Line Notation	QV1N1VQ1VQ
LabNetwork Molecule ID	LN00195585
InChI	InChI=1S/C6H9NO6/c8-4(9)1-7(2-5(10)11)3-6(12)13/h1-3H2,(H,8,9)(H,10,11)(H,12,13)
Canonical SMILES	O=C(CN(CC(O)=O)CC(O)=O)O

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产品应用

络合剂，常用于钙、镁、铁等阳离子的测定，金属掩蔽剂。

安全信息

GHS Symbol

WGK Germany2

Hazard statements

H351 Suspected of causing cancer 怀疑致癌
H302 Harmful if swallowed 吞食有害
H319 Causes serious eye irritation 严重刺激眼睛

Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges dust mask type N95 (US), Eyeshields, Gloves

RTECSAJ0175000

Precautionary statements

P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用
P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P308+P313
P332+P313
P501 Dispose of contents/container to..… 处理内容物/容器.....
P301+P312+P330
P302+P350
P337+P313
P302+P352+P332+P313+P362+P364
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P201 Obtain special instructions before use. 使用前获取专门指示。
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。
P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西，喝水或吸烟。
P305+P351+P338
P281 Use personal protective equipment as required. 使用所需的个人防护装备。
P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前，切勿操作。
P273 Avoid release to the environment. 避免释放到环境中。
P305+P351+P338+P337+P313
P405 Store locked up. 上锁保管。
P391 Collect spillage. Hazardous to the aquatic environment 收集对水环境有危害的泄漏物。

Signal word

Safety Statements

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；
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；
S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时，立即求医（可能时出示标签）；
S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套；

Risk Statements

R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
R22 Harmful if swallowed 吞咽有害
R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
R36 Irritating to eyes 刺激眼睛

Hazard Codes Xn

Storage condition 2-8°C {LY} 2-8°C Store at RT. Store at room temperature {} {LY} 2-8°C {} {} {LY} 2-8°C {} {} {} {LY} 2-8°C {} {} {} {} {LY} 2-8°C {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} { {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {LY} 2-8°C {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {} {

Packing GroupIII

Hazard Class9

UN Number 3077 2811

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 430 gm/kg/75W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Kidney, Ureter, Bladder - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-6,1977

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 832 gm/kg/66W-C
TOXIC EFFECTS :
   Tumorigenic - neoplastic by RTECS criteria
   Kidney, Ureter, Bladder - tumors
REFERENCE :
   NCITR* National Cancer Institute Carcinogenesis Technical Report Series.
   (Bethesda, MD)  No.0-205. For publisher information, see NTPTR*.
   Volume(issue)/page/year: NCI-TR-6,1977

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1100 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   ACIEAY Angewandte Chemie, International Edition in English.  (VCH Pub.,
   Inc., 303 NW 12th Ave., Deerfield Beach, FL 33441)  V.1-    1962-
   Volume(issue)/page/year: 14,94,1975

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 3160 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NCILB* Progress Report for Contract No. NIH-NCI-E-C-72-3252, Submitted to
   the National Cancer Institute by Litton Bionetics, Inc.  (Bethesda, MD)
   Volume(issue)/page/year: NCI-E-C-72-3252,1973

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 325 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CRTXB2 CRC Critical Reviews in Toxicology.  (CRC Press, Inc., 2000 Corporate
   Blvd., NW, Boca Raton, FL 33431)  V.1-    1971- Volume(issue)/page/year:
   20,83,1989

TYPE OF TEST            : Morphological transformation
TEST SYSTEM             : Rodent - hamster Embryo
DOSE/DURATION           : 2 gm/L
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 356,85,1996

其他信息

毒性分级:中毒
{Chemical
方法二:由氯乙酸与氢氧化钠反应生成氯乙酸钠，然后氯化铵反应生成氨基三乙酸钠，再经酸化即得成品。氯乙酸法工艺落后，成本高，国外已淘汰。美国、日本大量副产HCN的厂家采用斯脱里格法，纯的液体HCN和甲醛在酸性条件下与氨或胺盐反应生成氮川三乙腈，再水解得到NTA。该法投资和操作费用高，安全性差。另一种方法是国外70年代开发成功的羧甲基化法。该法采用NaCN，便于贮运，反应的碱性条件下进行，不产生易挥发的HCN，生产安全性好。该法生产成本比氯乙酸法低45-50%。原料消耗（kg/t）氯乙酸 1770氯化铵 440
用途三:本品在电镀工业中作络合剂，代替氰化
用途五:络合剂，常用于钙、镁、铁等阳离子的测定，金属掩蔽剂。
外观性质:白色结晶粉末。
Acros Organics:次氮基三乙酸(氮川三乙酸) Nitrilotriacetic acid, 97%(139-13-9)
储运特性:库房通风低温干燥
次氮基三乙酸价格(试剂级):更新日期产品编号产品名称包装价格 2011/08/23 30130317 氨三乙酸 250g 38.6元 2011/04/16 N0098 次氮基三乙酸 Nitrilotriacetic Acid 25G 177元 2011/04/16 N0098 次氮基三乙酸 Nitrilotriacetic Acid 500G 600元
用途四:主要用途如下。1.络合剂它是大家熟番的络合剂，可与多种金属形成金属络合物，进行分析和测定，并分离稀有金属。也可用以从稀有金属中提取个别金属。2.催化剂在聚氨酯泡沫塑料生产中，它可作为发泡催化剂，能立刻发泡而迅速胶凝。3.稳定剂在聚苯乙烯生产中，它可作为稳定剂。4.去垢剂在核反就堆的水蒸气发生器系统中，它可作为水溶液注入蒸汽-水循环来去除壁间的垢和腐蚀物质，在加入过程中不影响效率。5.电镀剂在无毒电镀中，它可加快沉积速度。6.彩色照相显影剂在彩色照相显影中，它是重要的成分之一，可以用来防止显影时沉淀的产生。氮川三乙酸为三聚磷酸盐的替代品，在解决合
类别:有毒物品
{C
用途二:用作络合试剂，也用于无氰电镀
上游原料:硫酸 --> 氯化铵 --> 氯乙酸 --> 氯乙酸钠 --> 薄膜蒸发器
不溶于水，溶于氨水或氢氧化
方法一:将885 kg一氯乙酸投入耐酸釜中，搅拌下加热至64 ℃，全熔后滴加1 220 kg 30%的液碱进行中和反应。在80～90 ℃反应5～6 h。得到一氯乙酸钠水溶液。将中和液送入薄膜蒸发器中，在真空下浓缩。接近饱和时打入缩合釜，加热到60 ℃，用碳酸钠饱和溶液调pH值至7～8。继续升温至80 ℃，在搅拌下加入400 kg氯化铵饱和溶液。加毕后，再搅5 min，混合均匀。再用液碱调pH值至9～10。停止反应。静置4 h。过滤。收集滤液。将滤液打入酸化釜中，加盐酸酸化，当pH值达到0.5～1.2时，停止加酸。冷却静置，结晶。将上层液吸出，用水洗涤结晶数次，干燥得成品。
可燃性危险特性:可燃;高温产生有毒氮氧化物烟雾
Sigma Aldrich:139-13-9(sigmaaldrich)
急性毒性:口服-大鼠LD50: 1100 毫克/公斤; 口服-小鼠LD50: 3160 毫克/公斤
TCI Shanghai:次氮基三乙酸 Nitrilotriacetic Acid,>;98.0%(T)(139-13-9)
图谱信息:次氮基三乙酸(139-13-9)红外图谱(IR2) 次氮基三乙酸(139-13-9)红外图谱(IR1)
海关编码:29224995
下游产品:尼多非林 --> 阻垢剂 ATMP,胺基三甲叉磷酸
Alfa Aesar:氨三乙酸,ACS,98.0%min Nitrilotriacetic acid, ACS, 98.0% min(139-13-9)