| 货号 | 品牌 | 产品名称 | 规格 | 包装、参考价格 | |
| C708704 | MACKLIN | 变色酸试液 | 0.5mg/ml | 280元/100ml; | 咨询 |
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| C708727 | MACKLIN | 变色酸试液 | 0.5% in H2O | 330元/100ml; | 咨询 |
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| C708728 | MACKLIN | 变色酸试液 | 1% in H2O | 360元/100ml; | 咨询 |
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| C804182 | MACKLIN | 变色酸钠 | 98% | 30元/2g; 64元/10g; 175元/50g; 788元/250g; 1548元/500g; 5888元/2.5kg; | 咨询 |
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| C804181 | MACKLIN | 变色酸钠 | ACS | 65元/5g; 184元/25g; 609元/100g; 2699元/500g; | 咨询 |
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| C804183 | MACKLIN | 变色酸钠 | 试剂级 | 49元/5g; 148元/25g; 524元/100g; 1016元/250g; 3850元/1kg; | 咨询 |
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| D0596 | TCI | Disodium Chromotropate Dihydrate | >98.0%(T) | 405元/25G; 790元/100G; 3450元/500G; | 咨询 |
基本信息 | 纯度/分析方法 | >98.0%(T) | | 分子式/分子量 | C10H6Na2O8S2・2H2O = 400.28 | | 外观与形状(20℃) | 固体 | | 应避免的情况 | 光 | | 相关CAS RN | 129-96-4 | | Reaxys-RN | 3647189 | | PubChem物质ID | 87567246 | | 颜色 | 57030 | | MDL编号 | MFCD00150612 |
技术规格 | Appearance | White to Gray to Brown powder to crystaline | | Purity(HPLC) | min. 97.0 area% | | Purity(Neutralization titration) | min. 98.0 % | | Water | 8.0 to 11.0 % | | Sulfate | max. 0.02% | | Suitability for formaldehyde-analysys | Abs min. 0.300(near 580nm) in the presence of Formaldehyde(0.6ppm) |
物性(参考值) 安全信息 | 图形或危害标志 |  | | 信号词 | 警告 | | 危险性说明 | H315 : 造成皮肤刺激。
H319 : 造成严重眼刺激。
| | 防范说明 | P264 : 作业后彻底清洗皮肤。
P280 : 戴防护手套/戴防护眼罩/戴防护面具。
P302 + P352 : 如皮肤沾染：用水充分清洗。
P337 + P313 : 如仍觉眼刺激：求医/就诊。
P305 + P351 + P338 : 如进入眼睛：用水小心冲洗几分钟。如戴隐形眼镜并可方便地取出，取出隐形眼镜。继续冲洗。
P362+P364 : 脱掉沾污的衣服，清洗后方可重新使用。
P332 + P313 : 如发生皮肤刺激：求医/就诊。
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| 966593 | J&K | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, ACS reagent | ACS 级试剂 | 97元/5G; 338元/25G; 1014元/100G; | 咨询 |
基本信息 | 分子式 | C10H6Na2O8S2·2H2O | | 分子量 | 400.29 | | 熔点 | >300 | | MDL编码 | MFCD00150612 | | Merck | 10,2219 |
安全信息 | 图形或危害标志 | | | 提示语 | Warning | | 危险说明 | H315
H319
H335 | | 防范说明 | P261
P280
P302+P352
P305+P351+P338 |
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| 022414 | Alfa Aesar | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate | ACS | 383元/5g; 1383元/25g; 2325元/100g; | 咨询 |
应用
4,5-Dihydroxynaphthalene-2,7-disulfonic acid disodium salt dihydrate, is used to improve the visualization of trichothecenes on developed TLC plates. It serves as an intermediate in the production of dyes, pigments, chelating reagents, sulfonic and sulfinic acids. Grade Specifications
Requirements: Solution P.T., Appearance: Off-white to buff-colored, Sensitivity to nitrate P.T., Sensitivity to formaldehyde P.T. 备注
Light sensitive. Keep the container tightly closed in a dry and well-ventilated place. Incompatible with strong oxidizing agents, strong acids, acid chlorides and acid anhydrides. 基本信息 MDL
MFCD00150612 EINECS
204-972-9 分子式
C10H6Na2O8S2?2H2O 分子量
400.29 (364.26anhy) 熔点
>300° 灵敏度
Ambient temperatures. 形态
Off-White to Buff-Colored Powder 溶解性
Soluble in water. Beilstein
3647189 Merck
14,2241 GHS危害和防范说明 GHS符号
Hazard Statements
H315-H319-H335
Causes skin irritation.Causes serious eye irritation.May cause respiratory irritation. Precautionary Statements
P261-P280a-P305+P351+P338-P304+P340-P405-P501a
Avoid breathing dust/fume/gas/mist/vapours/spray.Wear protective gloves and eye/face protection.IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.Store locked up.Dispose of contents/container in accordance with local/regional/national/international regulations. 安全信息 危险类别
36/37/38
Irritating to eyes, respiratory system and skin. 安全等级
26-37-60
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.This material and its container must be disposed of as hazardous waste TSCA
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| C30060 | Alfa Aesar | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid | disodium salt dihydrate, ACS reagent | 980元/10g; 1841元/25g; 5217元/100g; | 咨询 |
基本信息 Ref#
30060 MDL
150612 分子式
C10 H6 Na2 O8 S2 . 2 H2 O 分子量
400.28 |
| C15519 | Alfa Aesar | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid | disodium salt dihydrate, 98% | 611元/25g; 1339元/100g; 5564元/500g; | 咨询 |
基本信息 Ref#
15519 MDL
150612 分子式
C10 H6 Na2 O8 S2 . 2 H2 O 分子量
400.28 形态
Off-White to Buff-Colored Powder |
| C37810 | Alfa Aesar | 4,5-Dihydroxynaphthalene-2,7-disulfonic acid | disodium salt | 5078元/250g; 13773元/1kg; | 咨询 |
基本信息 Ref#
37810 分子式
C10H6Na2O8S2.2H2O 分子量
208.98 GHS危害和防范说明 GHS符号
Hazard Statements
H335 H315 H319 Precautionary Statements
P280 P332+P313 P337+P313 P261 P302+P352 P305+P351+P338 |
| 1.02498 | Supelco | Chromotropic Acid Disodium Salt Dihydrate | for analysis ACS,Reag. Ph Eur | 1779.17元/25 G; | 咨询 |
产品说明 联系 Replaces: DX1460-1 分析说明 Appearance: greyish white to brownish white powder
Assay (acidimetric, calc. on anhydrous substance): ≥ 98.5 %
Identity (IR-spectrum): passes test
Appearance of solution (5 %; water): passes test
Water (according to Karl Fischer): 8.5 - 9.5 %
Sensitivity (of formaldehyde): passes test
Sensitivity (of nitrate): passes test 基本信息 | 经验(实验)分子式 | C10H6Na2O8S2 · 2H2O | | 分子量 | 400.29 | | MDL编号 | MFCD00150612 | | EC索引号 | 204-972-9 |
产品性质 | 质量水平 | 200 | | 等级 | ACS reagent | | agency | reag. Ph. Eur. | | 测定 | ≥98.5% (acidimetric) | | pH值(酸碱度) | 3.6 (20 ℃, 10 g/L in H2O) | | mp | >300 ℃ | | 堆积密度 | 780 kg/m3 | | 储存温度 | 2-30℃ | | InChI | 1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18)/p-2 | | InChI key | HLVXFWDLRHCZEI-UHFFFAOYSA-L |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable |
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| 126225 | Sigma-Aldrich | Chromotropic Acid Disodium Salt Dihydrate | technical grade | 787.55元/100 G; 3740.9元/500 G; | 咨询 |
产品说明 一般描述 变色酸二钠盐二水合物是一种棕褐色钠盐。 应用 变色酸二钠盐二水合物可用作显色试剂，用于定量各种药物制剂中的安乃近。 包装 100, 500 g in poly bottle 基本信息 | 线性分子式 | (HO)2C10H4(SO3Na)2·2H2O | | 分子量 | 400.29 | | EC 号 | 204-972-9 | | MDL编号 | MFCD00150612 | | PubChem化学物质编号 | 329749776 | | NACRES | NA.21 |
产品性质 | 等级 | technical grade | | 质量水平 | 200 | | 测定 | ≥78.5% | | 形式 | powder | | mp | >300 ℃ (lit.) | | SMILES string | O.O.[Na+].[Na+].Oc1cc(cc2cc(cc(O)c12)S([O-])(=O)=O)S([O-])(=O)=O | | InChI | 1S/C10H8O8S2.2Na.2H2O/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8;;;;/h1-4,11-12H,(H,13,14,15)(H,16,17,18);;;2*1H2/q;2*+1;;/p-2 | | InChI key | QUEAKWJKJBFNEG-UHFFFAOYSA-L |
安全信息 | 象形图 | | | 警示用语： | Warning | | 危险声明 | H315 - H319 - H335 | | 预防措施声明 | P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338 | | 危险分类 | Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3 | | 靶器官 | Respiratory system | | 储存分类代码 | 11 - Combustible Solids | | WGK | WGK 3 | | 闪点(F) | Not applicable | | 闪点(C) | Not applicable | | 个人防护装备 | dust mask type N95 (US), Eyeshields, Gloves |
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