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<title><![CDATA[EC21 Product Catalogs - purity]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/purity--0539/1/purity.html]]></link><item>
<title><![CDATA[Cas 4511-42-6 L-Lactide Raw Powder Wholesale Purity Degree 99%]]></title><link><![CDATA[https://dingyanchemical.en.ec21.com/Cas_4511_42_6_L--11841248_12010521.html]]></link><description><![CDATA[Items 
Standard 
Appearance 
White solid 
Melting point 
90-100℃ 
Lactide content 
≥99.0% 
Meso-lactide 
≤2.0% 
Free acid ， Mmol/kg 
≤7.0 
Water 
≤0.03% 
FQA: 
Q1 Can i get some samples 
]]></description><pubDate><![CDATA[20260527]]></pubDate></item>
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<title><![CDATA[High Purity Liquid Crystal Material | Bahan Kristal Cair Kemurnian Tinggi]]></title><link><![CDATA[https://qypdlc.en.ec21.com/High_Purity_Liquid_Crystal_Material--11481852_11507467.html]]></link><description><![CDATA[Purity Liquid Crystal Material | Bahan Kristal Cair Kemurnian Tinggi
Established in 2007, 
Qingdao QY Liquid Crystal Co., Ltd
is a leading manufacturer specializing in high-quality 
nematic liquid cr]]></description><pubDate><![CDATA[20260527]]></pubDate></item>
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<title><![CDATA[Diphenyldichlorosilane / Dichlorodiphenylsilane / High Purity Silane Intermediate / CAS 80-10-4]]></title><link><![CDATA[https://kspush.en.ec21.com/Diphenyldichlorosilane_Dichlorodiphenylsilane_High_Purity_Silane--12063395_12063402.html]]></link><description><![CDATA[Diphenyldichlorosilane (CAS 80-10-4) is a high-purity organosilicon intermediate used in silicone resin synthesis, silane coupling agents, advanced polymers, and electronic chemical materials.Dipheny]]></description><pubDate><![CDATA[20251119]]></pubDate></item>
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<title><![CDATA[Worldwide Hot Selling Top Grade Tetracaine CAS 94-24-6 White Powder with High Purity and Best Price]]></title><link><![CDATA[https://demei1505.en.ec21.com/Worldwide_Hot_Selling_Top_Grade--11922103_11935959.html]]></link><description><![CDATA[Common Name : Tetracaine
CAS Number: 94-24-6 
Molecular Weight : 264.363
Density : 1.0±0.1 g/cm3 
Boiling Point : 389.4±27.0 °C at 760 mmHg
Molecular Formula : C15H24N2O2 
Melting Point : 43 °C
F]]></description><pubDate><![CDATA[20240513]]></pubDate></item>
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<title><![CDATA[Indoxacarb  Intermediate 5-CHLORO-1-indanone Cas 42348-86-7 98% Purity]]></title><link><![CDATA[https://tocosynth.en.ec21.com/Indoxacarb_Intermediate_5_CHLORO_1--11912284_11927935.html]]></link><description><![CDATA[Purity&gt;=98%Application5-Chloro-1-indanone(Cas No.:42348-86-7) is an important intermediate of Dupont&apos;s new varieties of pesticides Indoxacarb (popular name: indoxacarb), is also a kind of important m]]></description><pubDate><![CDATA[20240422]]></pubDate></item>
<item>
<title><![CDATA[6CLs 6cls 5cl 6cl 5cl  Fast and Safe Delivery Medical Intermediat High Purity]]></title><link><![CDATA[https://legitchemzones1707.en.ec21.com/6CLs_6cls_5cl_6cl_5cl--11729201_11729270.html]]></link><description><![CDATA[1.Top quality and high purity
2.Fast delivery and safe shipping
3.Free reship if can&apos;t receive goods
4.Discreet and secure packing 
5.Competitive price
]]></description><pubDate><![CDATA[20230606]]></pubDate></item>
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<title><![CDATA[4-Methylpropiophenone CAS 5337-93-9 Purity 99%]]></title><link><![CDATA[https://kuaikuai3344.en.ec21.com/4_Methylpropiophenone_CAS_5337_93--11801861_11801862.html]]></link><description><![CDATA[产品详细信息：4′-甲基苯丙酮是一种化学试剂，用作医药和合成材料中间体。]]></description><pubDate><![CDATA[20230710]]></pubDate></item>
<item>
<title><![CDATA[Tetrahydro Methyl]]></title><link><![CDATA[https://ned56.en.ec21.com/Tetrahydro_Methyl--12049843_12050814.html]]></link><description><![CDATA[Parameters
Sampling2-MethyltetrahydrofuranInspection itemControl IndexAppearanceColorless transparent liquid Chromaticity≤10Purity %≥99.5Water %≤0.03ppm Peroxide≤50BHT %0.015-0.04
]]></description><pubDate><![CDATA[20250320]]></pubDate></item>
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<title><![CDATA[Factory Supply: 4,4,4-TRIFLUORO-1-2-FURYL-1,3-butanedione(CAS: 326-90-9)]]></title><link><![CDATA[https://security660128.en.ec21.com/Factory_Supply_4_4_4--11036629_11036774.html]]></link><description><![CDATA[yellow 
Appearance Form: Liquid or solid
Purity: 98%(GC)
Storage Temperature: 2-8 degree 
If you are interested, you can click here to learn more on our website http://www.security-chemical.cn/
]]></description><pubDate><![CDATA[20241231]]></pubDate></item>
<item>
<title><![CDATA[Boron Trifluoride Phenol Complex CAS 462-05-5]]></title><link><![CDATA[https://songhui1234.en.ec21.com/Boron_Trifluoride_Phenol_Complex_CAS--12021174_12021387.html]]></link><description><![CDATA[Borophenol trifluoride complex is a colorless transparent liquid. It is easily dissolved in ethers, alcohols and some organic solvents. Borophenol trifluoride can be used as a catalyst, often used in]]></description><pubDate><![CDATA[20241030]]></pubDate></item>
<item>
<title><![CDATA[1,3-Dimethyl Urea(Refined)]]></title><link><![CDATA[https://hbguangxing123.en.ec21.com/1_3_Dimethyl_Urea_Refined--11952587_11952591.html]]></link><description><![CDATA[purity: ≥98%
Moisture: ≤0.5%
Melting point: 103~108℃
Packaging: 25Kg/bag (inner polyethylene bag, outer white woven bag), can be customized according to customer needs.
High Purity 1,3-dimethyl]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
<item>
<title><![CDATA[CE10  4-((2s)-2-methylbutyl)Phenyl 4-pentylbenzoate 69777-64-6 Liquid Crystal]]></title><link><![CDATA[https://wcx1979200.en.ec21.com/CE10_4_2s_2_methylbutyl--9676636_9689376.html]]></link><description><![CDATA[CE10 4-((2s)-2-methylbutyl)Phenyl 4-pentylbenzoate 69777-64-6 Liquid Crystal
CE10
4-((2s)-2-methylbutyl)phenyl 4-pentylbenzoate
(S)-p-(2-methylbutyl)phenyl p-pentylbenzoate
C23H31O2
Purity: 99.6%
4-(]]></description><pubDate><![CDATA[20211111]]></pubDate></item>
<item>
<title><![CDATA[S-2-METHYL-2-propanesulfinamide]]></title><link><![CDATA[https://maibointer.en.ec21.com/S_2_METHYL_2_propanesulfinamide--2645477_9282081.html]]></link><description><![CDATA[Product Name: S-2-methyl-2-propanesulfinamide
CAS NO.: 343338-28-3
Appearance: White crystalline solid
HPLC Purity: 99.0%
Chiral Purity: 99.0%
Package: 25kg/drum or as customized
Usage: Experimental ]]></description><pubDate><![CDATA[20200409]]></pubDate></item>
<item>
<title><![CDATA[Pyridinium Propyl Sulfobetaine (PPS)]]></title><link><![CDATA[https://janechoo.en.ec21.com/Pyridinium_Propyl_Sulfobetaine_PPS--4147329_4262118.html]]></link><description><![CDATA[purity, PPS can&amp;rsquo;t carry other harmful impurity or salts to baths. There will not have problem of ductility in long duration. It is used to combine with saccharin, one or more ethynes and wettin]]></description><pubDate><![CDATA[20170116]]></pubDate></item>
<item>
<title><![CDATA[Melamine]]></title><link><![CDATA[https://southstar99.en.ec21.com/Melamine--11397290_11397522.html]]></link><description><![CDATA[Melamine 99.8%min
1. Basic indicators 
Molecular formula:
C3H6N6
Cas No.:
108-78-1
Appearance:
White crystalline powder
H.S Code:
2933610000
2. Technical specifications 
Item
Specification
Purity
99.]]></description><pubDate><![CDATA[20231117]]></pubDate></item>
<item>
<title><![CDATA[High Quality L-Arginine HCI As Medicine Grade Chemical]]></title><link><![CDATA[https://jerry90.en.ec21.com/High_Quality_L_Arginine_HCI--9610515_8933317.html]]></link><description><![CDATA[purity 
As per USP32
Conform 
Residual solvents 
As per USP32
Conform 
Specific Rotation 20℃ 
+21.4o~ +23.6o
+21.5o
Organic volatile impurities
As per USP32
Conform 
Conclusion: This product compli]]></description><pubDate><![CDATA[20140519]]></pubDate></item>
<item>
<title><![CDATA[3-BENZYL-6-BROMO-2-methoxyquinoline / 10320-49-7]]></title><link><![CDATA[https://tinamabjm.en.ec21.com/3_BENZYL_6_BROMO_2--8777276_8777396.html]]></link><description><![CDATA[3-BENZYL-6-BROMO-2-methoxyquinoline 10320-49-7 
CAS: 10320-49-7 
MF:C15H17NO 
Appearance：white powder 
Specification:
Items
Specification
Appearance
white powder
Identification
Conform with the sta]]></description><pubDate><![CDATA[20140306]]></pubDate></item>
<item>
<title><![CDATA[Methyl Methacrylate (MAA)]]></title><link><![CDATA[https://global4za.en.ec21.com/Methyl_Methacrylate_MAA--11135835_11135966.html]]></link><description><![CDATA[PURITY,%≥98.5%99.8INHIBITOR (MQ)200±20ppm215CONCLUSIONQUALIFIED Methacrylic acid, abbreviated MAA, is an organic compound. This colorless, viscous liquid is a carboxylic acid with an acrid unpleas]]></description><pubDate><![CDATA[20200511]]></pubDate></item>
<item>
<title><![CDATA[N-Butyric Acid]]></title><link><![CDATA[https://global1za.en.ec21.com/N_Butyric_Acid--10878286_10878314.html]]></link><description><![CDATA[Quick Details 
Classification:Carboxylic Acid 
CAS No.:107-92-6 
Other Names:Butyric acid 
MF:C4H8O2 
EINECS No.:203-532-3 
Grade Standard:Agriculture Grade, Food Grade, Industrial Grade 
Purity:99%m]]></description><pubDate><![CDATA[20181220]]></pubDate></item>
<item>
<title><![CDATA[(2-NITROPROP-1-EN-1-yl)Benzene]]></title><link><![CDATA[https://doukou2021.en.ec21.com/2_NITROPROP_1_EN_1--11471939_11471946.html]]></link><description><![CDATA[purity of some products has reached 99.9+. This is an important reason for customers to choose 
High quality, competitive price. 
1. Standard BP/USP/EP/enterprise standard. 
2. Purity &gt; 99%. 
As a ma]]></description><pubDate><![CDATA[20211108]]></pubDate></item>
<item>
<title><![CDATA[Di-Trimethylolpropane]]></title><link><![CDATA[https://amberyang777.en.ec21.com/Di_Trimethylolpropane--11418932_11418937.html]]></link><description><![CDATA[and PVC resin heat stabilizer. 
Items Limits
Appearance White or offwhite crystal
Purity/wt% min. 95.0
Water/wt% max. 0.5
Hydroxyl Number/（mgKOH/g） 870~910
Crystallizing Point/℃ min. 106
]]></description><pubDate><![CDATA[20210727]]></pubDate></item>
<item>
<title><![CDATA[P-Toluenesulfonyl Chloride]]></title><link><![CDATA[https://jinwotaicc.en.ec21.com/P_Toluenesulfonyl_Chloride--11007792_11013663.html]]></link><description><![CDATA[organic synthesis, for example: dyes, saccharin,etc.
Check-Point 
Unit 
Specifications 
Appearance 
--
White Crystalline Powder
Purity 
% min
99
Melting Point 
°C min
67
Loss On Drying 
% max
0.1
]]></description><pubDate><![CDATA[20190929]]></pubDate></item>
<item>
<title><![CDATA[Perfluorodecalin 306-94-5 PFD]]></title><link><![CDATA[https://juanwei.en.ec21.com/Perfluorodecalin_306_94_5_PFD--11800998_11803538.html]]></link><description><![CDATA[Product Name: Perfluorodecalin
CAS: 306-94-5
Purity: 90-99%
Appearance: colorless liquid
Melting point -10 °C (lit.)
Boiling point 142 °C (lit.)
Density 1.908 g/mL at 25 °C (lit.)
]]></description><pubDate><![CDATA[20230608]]></pubDate></item>
<item>
<title><![CDATA[Sodium Chloride]]></title><link><![CDATA[https://365914zxx.en.ec21.com/Sodium_Chloride--11647219_11647982.html]]></link><description><![CDATA[free-flowing, ACS reagent, &gt;=99%;Sodium chloride Vetec(TM) reagent grade, 99%;BORIC ACID SODIUM DECAHYDRATE NF GRADE;BICINE HIGH PURITY GRADECAS: 7647-14-5 MF:NaClMW:58.44277EINECS:231-598-3
]]></description><pubDate><![CDATA[20220929]]></pubDate></item>
<item>
<title><![CDATA[Phenol]]></title><link><![CDATA[https://crint.en.ec21.com/Phenol--742442_742926.html]]></link><description><![CDATA[Solubility at 25&amp;#176;C
-
Clear
Purity
wt, %
99.7 Min.
3. Packing : 
In Liquid Bulk
200kgs net in zinc galvanized new steel drum
(16mts / 20&apos; container)
4. Manufacturer : Kumho P&amp;B Chemicals, Inc.
]]></description><pubDate><![CDATA[20061031]]></pubDate></item>
<item>
<title><![CDATA[2,6-DI-sec-butyl(DSBP) Phenol.P-sec-butylphenol]]></title><link><![CDATA[https://zohui.en.ec21.com/2_6_DI_sec_butyl--851394_1715728.html]]></link><description><![CDATA[Purity 95.0%min 80%
Water 0.3%max 0.5%max
Main Use: It is used in the synthesis of pesticide and some fine chemicals 
Package: 180kg/iron drum 
P-sec-butylphenol(4-sec-butylphenol)
Purity:99%min
Pack]]></description><pubDate><![CDATA[20080119]]></pubDate></item>

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