CAS 149-45-1; 1,2-二羟基苯-3,5-二磺酸钠; 4,5-Dihydroxy-1,3-benzenedisulfonic acid disodium salt

CAS:

149-45-1

分子式:

C6H6O8S2·2Na

分子量:

332.2

熔点:

300 °C

中文名称:

1,2-二羟基苯-3,5-二磺酸钠

钛铁试剂

邻苯二酚-3,5-二磺酸钠

1,2-二羟基苯-3,5-二磺酸二钠

试钛灵

4,5-二羟基-1,3-苯二磺酸二钠盐

1,2-二羟基-3,5-苯二磺酸二钠盐

英文名称:

4,5-Dihydroxy-1,3-benzenedisulfonic acid disodium salt

1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt monohydrate

Catechol 3,5-disulfonic acid disodium salt monohydrate

Sodium 1,2-dihydroxybenzene-3,5-disulfonate monohydrate

Catechol-3,5-disulfonic Acid Disodium Salt

Disodium 4,5-Dihydroxybenzene-1,3-disulfonate

Pyrocatechol-3,5-disulfonic Acid Disodium Salt

1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt

Pyrocatechol-3,5-disulfonic acid,disodium salt

1,3-Benzenedisulfonic acid,4,5-dihydroxy-,disodium salt

tlron

Disodium 1,2-dihydroxybenzene disulfonate

Tiron

Pyrocatechol-3,5-disulfonic acid, disodium salt

1,3-Benzenedisulfonic acid, 4,5-dihydroxy-, disodium salt

4,5-dihydroxy-m-benzenedisulfonic aci disodium salt

3-benzenedisulfonic acid, 4,5-dihydroxy- disodium salt

3,5-disulfocatechol disodium salt

sdd

sodium 4,5-dihydroxybenzene-1,3-disulfonate

tiferron

Pyrocatechol-3,5-disodiumsul fonate

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推荐供应商

货号

品牌

产品名称

规格

包装、参考价格

详情

T886015

MACKLIN

钛铁试剂

≥98%

62元/5g; 252元/25g; 804元/100g; 3600元/500g; 16192元/2.5kg;

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储存：室温,干燥
状态：白色到灰白色粉末

T818944

MACKLIN

钛铁试剂

95%

55元/5g; 216元/25g; 720元/100g; 3010元/500g; 12560元/2.5kg;

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储存：室温,干燥
状态：白色到灰白色粉末

T818943

MACKLIN

钛铁试剂

试剂级, 92%

44元/5g; 168元/25g; 620元/100g; 2862元/500g; 10800元/2.5kg;

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储存：室温,干燥
状态：白色到灰白色到灰色粉末或晶体和/或块状

D0567

TCI

Tiron Monohydrate

>98.0%(T)

360元/25G; 1625元/250G;

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基本信息

纯度/分析方法	>98.0%(T)
分子式/分子量	C₆H₄Na₂O₈S₂・H₂O = 332.21
外观与形状(20℃)	固体
储存在惰性气体下	存放于惰性气体之中
应避免的情况	湿气 (吸湿)
相关CAS RN	270573-71-2
Reaxys-RN	4629740
PubChem物质ID	87567221
Merck Index (14)	9465
MDL编号	MFCD00007473

技术规格

Appearance	White to Almost white powder to crystal
Purity(Neutralization titration)	min. 98.0 %
Solubility in Water	almost transparency
Suitability for Titanium-analysis	to pass test

物性(参考值)

水溶性	完全溶解
溶解性(微溶于)	醇

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。

相关法规

RTECS#

CZ9263000

491536

J&K

Tiron Monohydrate, indicator

指示剂

314元/25G; 988元/100G;

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基本信息

分子式	C₆H₄Na₂O₈S₂·H₂O
分子量	332.20
熔点	>300
MDL编码	MFCD00149531
Merck	14,9465
EINECS 编号	205-741-5

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 P305+P351+P338
WGK	3
RTECS	CZ9263000

C17414

Alfa Aesar

Tiron×

771元/25g; 2365元/100g; 8259元/500g;

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基本信息

Ref#
17414

MDL
149531

分子式
C6 H4 Na2 O8 S2 . H2 O

分子量
332.21

1.01922

Supelco

3,5-Pyrocatecholdisulfonic acid disodium salt monohydrate

(Tiron) metal indicator

6295.14元/100 G;

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产品说明

分析说明

Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ_max. (buffer pH 2.5): 290 - 291 nm
Spec. Absorptivity A 1%/1cm (λ_max; 0.05 g/l; buffer pH 2.5; calculated on anhydrous substance): 100 - 125
Water (according to Karl Fischer): 4.5 - 6.5 %
Suitability as indicator (for metal titration): passes test

基本信息

经验(实验)分子式	C₆H₄Na₂O₈S₂ · xH₂O
分子量	314.20 (anhydrous basis)
EC索引号	205-741-5

产品性质

质量水平	200
形式	solid
pH值(酸碱度)	5.0 (20 ℃, 10 g/L in H₂O)
mp	300 ℃
溶解性	1350 g/L
堆积密度	465 kg/m³
储存温度	15-25℃
InChI	1S/C6H6O8S2.2Na/c7-4-1-3(15(9,10)11)2-5(6(4)8)16(12,13)14;;/h1-2,7-8H,(H,9,10,11)(H,12,13,14);;/q;2*+1/p-2
InChI key	ISWQCIVKKSOKNN-UHFFFAOYSA-L

安全信息

象形图
警示用语：	Warning
危险声明	H315 - H319
预防措施声明	P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
危险分类	Eye Irrit. 2 - Skin Irrit. 2
储存分类代码	11 - Combustible Solids
WGK	WGK 3

240966

Fluorochem

Sodium 4,5-dihydroxybenzene-1,3-disulfonate monohydrate

95%

264元/10g; 484元/25g; 1496元/100g; 3344元/250g;

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基本信息

CAS Number	149-45-1
MDL Number	MFCD00149531

安全信息

图形或危害标志
危险性说明	H315: Causes skin irritation. H319: Causes serious eye irritation. H335: May cause respiratory irritation.
防范说明	P233: Keep container tightly closed. P260: Do not breathe . P261: Avoid breathing . P264: Wash hands thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear . P302 + P352: IF ON SKIN: Wash with plenty of soap and water. P304: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.. P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P312: Call a POISON CENTER or doctor/physician if you feel unwell. P321: Specific treatment (see relevant procedures. on this label). P332 + P313: If skin irritation occurs: Get medical advice/ attention. P337 + P313: If eye irritation persists: Get medical advice/attention. P340: Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362: Take off contaminated clothing and wash before reuse. P403: Store in a well-ventilated place. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. P405: Store locked up. P501: Dispose of contents/container to in accordance with local regulation .