C₃₁H₂₈N₂O₁₃SNa₄ CAS#: 3618-43-7 F.W.: 760.60

Visual transition pH 4.8-5.4, purple-green

Ammonium purpurate. Indicator for complexometry.

CI 45160

C₁₂H₆NO₄Na CAS#: 62758-13-8 F.W.: 251.18 NFPA#: 2-1-1 Certifiable

Preserved with Salicylic Acid

C₂₀H₆Br₄Na₂O₅ CAS#: 17372-87-1 F.W.: 691.86 2',4',5',7'-Tetrabromofluorescein, Disodium Salt

C₁₄H₁₄N₃O₃SNa CAS#: 547-58-0 F.W.: 327.34

Visual transition pH 11.0-12.6, yellow-orange/red

C₁₄H₁₄N₃O₃S Na

C₂₀H₁₀Cl₂O₅ CAS#: 76-54-0 F.W.: 401.20 2',7'-Dichloro-3,6-fluorandiol

C₃₂H₃₂N₂O₁₂•nH₂O CAS#: 2411-89-4 F.W.: 636.62 Cresolphthalein Complexone

C₂₀H₁₂N₂O₁₁S₃Na₂

CH₃C₆H₄SO₂NClNa•3H₂O CAS#: 7080-50-4 F.W.: 281.70 NFPA#: 3-1-2 Descriptions: (N-chloro-p-toluenesulfonamide, sodium salt)

CH₃OC₆H₄NHC₆H₄NH₂•HCl CAS#: 3566-44-7 F.W.: 250.73 N-[p-Methoxyphenyl]-p-phenylenediamine hydrochloride

pH indicator range 10.0-12.0 yellow to red CAS#: 2243-76-7

C₂₁H₁₃Br₄O₅SNa

K₂CrO₄ CAS#: 7789-00-6 F.W.: 194.20 NFPA#: 4-0-2 Specific Gravity: 1.040 Indicator for volumetric chloride determination.

C₁₆H₁₈N₃ClS•3H₂O CAS#: 7220-79-3 F.W.: 373.91

(C₆H₁₀O₅)_n CAS#: 9005-84-9 For iodometry Potato starch.

K₂CrO₄ CAS#: 7789-00-6 F.W.: 194.20 63 g in 100 ml water

C₂₂H₁₃O₄Br₄K CAS#: 62637-91-6 F.W.: 700.08

Methyl Orange 0.1%, Xylene Cyanole 0.26% in Water

C₂₁H₁₇O₅SNa CAS#: 62625-29-0 F.W.: 404.42 Descriptions: o-Cresolsulfonphthalein. Water soluble pH indicator.

(HO)₂C₁₀H₃(SO₃Na)₂N=NC₆H₄SO₃Na CAS#: 23647-14-5 F.W.: 570.42 (4,5-Dihydroxy-3-(p-sulfophenylazo)-2,7-naphthalene disulfonic acid, trisodium